A mathematician's work is never done; there are always new questions to ask and new mysteries to solve.
数学家的工作永无止境；总有新的问题要问，新的谜题要解。
I don’t need a gun to get respect on the street.
The poem is a way of seeing in the dark.
真实不再真实。
Memory is the only paradise from which we cannot be driven.
在现代能源生产中，可持续性和效率必须齐头并进。