The interplay between mathematics and physics has led to some of the most profound insights in science.

The most powerful thing you can be is yourself.

The past is a shadow that follows us, always present, always haunting.

成功的人无论周围发生什么，都保持积极的生活态度。

If you have any doubt at all about being able to carry a load in one trip， do yourself a huge favor and make two trips.

教育是你可以用来改变世界的最有力武器。

重要的不是你击打得多用力，而是你能承受多大的打击并继续前进。