Always keep your knife sharp, your wits sharper, and your spirit sharpest.
I'm not a person who lives in the past. I'm always looking forward.
Try to learn something about everything and everything about something.  
Mathematics is the music of reason.
最终,我们记住的不是敌人的话语,而是朋友的沉默。
我们可能会遭遇许多失败,但我们绝不能被打败。
I'm not perfect, but I'm trying every day to be better.
Only by respecting nature can we achieve long-term rewards.
我不需要一个团队,我自己就是团队。