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"if you think childlike, you'll stay young. If you keep your energy going, and do everything with a little flair, you're gunna stay young. But most people do things without energy, and they atrophy their mind as well as their body. you have to think young, you have to laugh a lot, and you have to have good feelings for everyone in the world, because if you don't, it's going to come inside, your own poison, and it's over" Jerry Lewis "I don’t believe in the irreversibility of situations" Deleuze
The numerical citations refer to page number. The source's text-space (including footnote region) is divided into four equal portions, a, b, c, d. If the citation is found in one such section, then for example it would be cited p.15c. If the cited text lies at a boundary, then it would be for example p.16cd. If it spans from one section to another, it is rendered either for example p.15a.d or p.15a-d. If it goes from a 'd' section and/or arrives at an 'a' section, the letters are omitted: p.15-16.



[Thanks Edwards & Penney]
We know both the change in y and the change in x for secant line K, so we can write the formulation.
We then subtract out the two a2's in the numerator to get 2ah + h2.

Line K will continue to pas through points P and Q, pivoting around point P. As h approaches zero, secant line K moves closer to overlapping tangent line L. See this motion in the animation below."As h approaches zero,What we want to know is, as h approaches zero, what value is slope mPQ = 2a + h approaching? So we are looking for the "limiting value" of 2a + h.
Q approaches P, and so
K approaches L; meanwhile,
the slope of K approaches the slope of L"
Here lim stands for "limit", and "h → 0" stands for "h approaches zero". What the above formulation asks is "What is the limit of 2a + h as h approaches zero?" (p.55b)

we may say, more generally, that
Thus the "slope m = m(a) of the line tangent to the parabola y = x2 at the point (a, a2) is given by
“Soon her eye fell on a little glass box that was lying under the table: she opened it, and found in it a very small cake, on which the words ‘EAT ME’ were beautifully marked in currants. ‘Well, I'll eat it,’ said Alice [….]
So she set to work, and very soon finished off the cake.* * * * * * *
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[…] ‘now I'm opening out like the largest telescope that ever was! Good-bye, feet!’”

Certainly, she is not bigger and smaller at the same time. She is larger now; she was smaller before. But it is at the same moment that one becomes larger than one was and smaller than one becomes. This is the simultaneity of a becoming […]. becoming does not tolerate the separation or the distinction of before and after, or of past and future.[Logic of Sense]Also in this book, Deleuze distinguishes possibility and impossibility from compossibility and incompossibility. Possibility and impossibility are matters of logic, specifically, of identity and contradiction. Compossibility and incompossibility, however, are alogical, and they concern compatibility and incompatibility.
“He believed in an infinite series of times, in a growing, dizzying net of divergent, convergent and parallel times. This network of times which approached one another, forked, broke off, or were unaware of one another for centuries, embraces all possibilities of time.” andThere is one remarkable scene in Mankiewicz’ Barefoot Contessa, which showcases both senses of bifurcation. The soon-to-be Contessa quite abruptly switches companions, taking her down a drastically different path. But this scene was remembered by two different people, each in their own way and with their own slight variations. We will place both scenes side-by-side, listening just to the audio from one.
“In all fictional works, each time a man is confronted with several alternatives, he chooses one and eliminates the others; in [The Garden], he chooses— simultaneously—all of them. He creates, in this way, diverse futures, diverse times which themselves also proliferate and fork.” [Borges]



The vase in Late Spring is interposed between the daughter’s half smile and the beginning of her tears. There is becoming, change, passage. But the form of what changes does not itself change, does not pass on. This is time, time itself, ‘a little time in its pure state’[…] everything that changes is in time, but time does not itself change […’]The daughter has been reluctant to marry, because this would leave her widowed father all alone, creating too much drastic change in both his and her lives. Yet in this scene, she consents to her father’s wishes, and decides in fact that she will marry. Yet at that moment, Ozu shows the still life scene of the vase. This grand climactic moment of the film is substituted by a pure stillness. We feel a dramatic change, while perceiving a motionless image. The actual events coming before and after are not present in the still life, but they are both implied in the same still image, because this transition-point in the story marks the most drastically different ‘before’ and ‘after’. But the actual content of a determinate ‘before’ and ‘after’ are removed from this still image, nonetheless, this purified impression of great alteration remains. We feel in this moment the coincidence of an empty before and an empty after, that is, of the pure form of time.
In […] Chronopolis, Kamler fashioned time out of two elements, small balls manipulated with pointed instruments, and supple sheets covering the balls. The two elements formed moments. [Deleuze, Cinema 2]


