Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.

死亡的念头会把我们推向对我们而言最重要的事情，这种念头会赋予我们勇气，促使我们追求内心所重视的生活方式。《机场里的小旅行》

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 inwardness.

我们都有能力改变，但我们必须首先相信这是可能的。