The curve of life is like the parabola of a projectile which, disturbed from its initial state of rest, rises and then returns to a state of repose... Like a projectile flying to its goal, life ends in death. Even its ascent and its zenith are only steps and means to this goal... For, enlightenment or no enlightenment, consciousness or no consciousness, nature prepares itself for death.

The structure and dynamics of the psyche (ed. 1960)