To say 'I love you' one must first be able to say the 'I'.
要说“我爱你”，首先必须能够说“我”。
The moment you doubt whether you can fly, you cease forever to be able to do it.
The only way to succeed in business is to be better than the competition.
If you’re going to talk the talk, you’ve got to walk the walk.
数学是秩序和模式的科学，正是这种秩序让我们能够理解周围的世界。
没有责任感的效率不过是鲁莽的速度。