All behavior is motivated by some form of drive reduction.

The essence of modernity is psychologism, the experiencing and interpretation of the world in terms of the reactions of our inner life and indeed as an inner world, the dissolution of fixed contents in the fluid element of the soul, from which all that is substantive is filtered and whose forms are merely forms of motion.

There is nothing eternal in us.

实现明天理想的唯一障碍是今天的疑虑。

意识是适应的前沿。