成功不在于你赚了多少钱，而在于你对人们生活的影响。

Symmetry is a complexity-reducing concept (co-routines include subroutines); seek it everywhere.

The history of philosophy is not, like the history of the sciences, to be considered as a mere chronological record of discoveries and errors. It is the history of the human spirit in its endeavor to understand itself and its relation to the universe.

Ideals without action are just dreams.

All my life through, the new sights of Nature made me rejoice like a child.