We come nearest to the great when we are great in humility.

The unfinished has its own perfection.

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.

The most dangerous phrase in business is "We've always done it this way."

每一个数学问题都是通向新理解世界的窗口。