Virtues are acquired through endeavor, which rests wholly upon yourself.
科学不仅仅是关于发现，也是关于应用知识来改善人类生活。
Emotions are not just reactions; they are powerful indicators of our deepest needs and desires.
The greatest discovery of my generation is that a human being can alter his life by altering his attitudes.
The key to performance is elegance, not battalions of special cases.