定理是数学的永久文献。
Theorems are the permanent literature of mathematics.
艺术中没有错误，只有意外的发现。
生命是一场漫长的告别。
每一个挑战都是学习和成长的机会。
The world must be set in order. The time has come when ethics must be dealt with by science, and never again by mere opinion.
一个人是他思想的产物，他想什么，就会成为什么。
我相信积极思考和形象化训练。
Failure is not terrible; what's terrible is not daring to try.
The ocean is not just a resource; it's a responsibility. We must manage it wisely for future generations.
乌鸦般的交情，虽然看上去挺好，但实则不亲密；绳子结在一起，虽然看上去牢固，但能轻易解开。