我学得越多，就越意识到自己不懂的还有很多。

Every experiment, whether successful or not, is a step toward understanding.

译文：现在我尝尽了忧愁的滋味，想说却又最终咽下。想说却又咽下，只能感叹一句 “天气凉爽好个秋天”!

The most profound discoveries in mathematics often come from the simplest observations.

I don’t follow any particular theory. I just do what seems right to me.

The best way to be successful is to take risks.

没有比一个除了优柔寡断之外没有任何习惯的人更悲惨的了。