色多多在线观看播放-色多多在线观看高清免费-色多多在线观看视频-色多多在线看-欧美aaaaa性bbbbb小妇-欧美aaaav免费大片

The way positive reinforcement is carried out is more important than the amount.

The foundation of maturity: Just because it’s not your fault doesn’t mean it’s not your responsibility.

Laws that have not their basis in nature are useless.

It's not the face, but the expressions on it. It's not the voice, but what you say. It's not how you look in that body, but the thing you do with it. You are beautiful.

The only way you can write the truth is to assume that what you set down will never be read.

I don't act to escape reality; I act to understand it.

人生只有一次，所以要活得不后悔。

我們與大地合作，而不是對抗它。

數(shù)學(xué)的統(tǒng)一性不是幻覺，而是等待被揭示的現(xiàn)實。