Success is not the key to happiness. Happiness is the key to success. If you love what you are doing, you will be successful.
Sleep， those little slices of death — how I loathe them.
当我们认为我们被理解了，我们就会觉得我们可以控制周围的世界。
A penny earned is a penny saved.
The secret of happiness is freedom, and the secret of freedom is courage.
【译文】广泛学习钻研，坚定自己的志向，恳切地提出问题并且联系实际去思考，仁德就在其中了。