神奇数字150表明，我们社交网络的规模受限于大脑的容量。

写作就是直面过去留下的幽灵。

The only thing that can make you happy is your own heart.

There is no such thing as a small life—only small perspectives.

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.

Real smart cars should evolve continuously like smartphones.