衡量一个文明的标准是它如何对待其最弱的成员。
有些书应该只是尝试一下，有些应该被吸收，而有极少数书应该被咀嚼和消化。
你在低谷时做的事情比在好日子时做的更重要。
People are always blaming their circumstances for what they are. I don't believe in circumstances. The people who get on in this world are the people who get up and look for the circumstances they want, and, if they can't find them, make them.
Psychology should study how the mind works, not just what it contains.
Gather ye rosebuds while ye may,Old time is still a-flying,And this same flower that smiles today,Tomorrow will be dying.