数学的本质不是使简单的事情复杂化，而是使复杂的事情简单化。

愿望实现的关键在于感受它的真实性。

问题的解决是突然出现的，而不是通过逐步、一步一步的过程来接近的。

伟大的工程是无形的——它只是无缝地运作。

Success is measured not just by profits, but by the positive impact we have on the world.

I believe in taking care of myself, in a balanced diet, in a rigorous exercise routine.

I've learned that you can't control everything, but you can control how you react to it.

The tears of the world are a constant quantity. For each one who begins to weep, somewhere else another stops. The same is true of the laugh.