I don't believe in regrets. Regrets are a waste of time. They're the past crippling you in the present.
写作是一种自由的行为,但也是一种责任。
煤炭的未来不在于数量,而在于我们能否清洁高效地利用它。
The greatest sweetener of human life is Friendship. To raise this to the highest pitch of enjoyment, is a secret which but few discover.
集合论的悖论不应被视为理论本身的不一致,而应被视为表明某些被认为有效的推理方法实际上并非如此。
我不害怕失败,我害怕不去尝试。