The only way to do great work is to love what you do.
Instead of singing like the birds, I silently smiled at my incessant good fortune.
In the quest for understanding the cosmos, every question answered leads to a dozen more.
Lock up your libraries if you like; but there is no gate, no lock, no bolt that you can set upon the freedom of my mind.
爱就是冒着不被爱的风险。希望就是冒着痛苦的风险。尝试就是冒着失败的风险,但必须承担风险,因为人生最大的危险就是什么都不冒险。