The most considerable difference I can see between men and animals is not in reason, but in the extent of the power of using it.  
我不完美,但我始终是我。
气候变化迫使每个林业工作者都成为了气候科学家,无论他们是否愿意。
The interplay between discrete mathematics and computer science has been a fertile ground for innovation and discovery.
The past is the foundation of the future.
The only person you should try to be better than is the person you were yesterday.
我不想变得完美,但我确实想成为一个榜样。
I'm a true believer that if you stay ready, you don't have to get ready.