No nation can prosper without cooperation between its farmers and its industrial workers.

Every experiment is a question posed to nature, and every result is nature's answer.

The definition of a good mathematical problem is the mathematics it generates rather than the problem itself.

要解决一个问题，首先必须理解它的本质，然后找到正确的工具来处理它。

煤炭的未来在于平衡环境责任与能源需求。

绘画的行为是一种思考的方式。

你不能仅仅因为情况不理想就放弃某人。

起初，宇宙被创造出来。这让许多人非常生气，人们普遍认为这是糟糕的一步。

Never stop learning because the world never stops changing.

Efficiency is doing things right; effectiveness is doing the right things.