The only limits that exist are the ones you place on yourself.

Every frame counts, every second matters.

The stranger is an element of the group itself, not unlike the poor and sundry 'inner enemies'—an element whose membership within the group involves both being outside it and confronting it.

电子通讯永远无法替代一个人用灵魂鼓励另一个人勇敢真诚的面孔。

解释：拿着棋子主意不定，就不能战胜对方。

The greatest tool we have is the power of our minds.

唯一能控制的是你的努力。

You have to think anyway, so why not think big?

You’ll get 10x better results by elevating good behavior rather than punishing bad behavior， especially in children and animals.