The beauty of mathematics lies in its ability to describe the universe with such precision.
To be alive is to be mortal. To be alive is to be, from moment to moment, a survivor.
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.  
最好的科学家是那些在自然的复杂性面前保持谦逊的人。