经验只是我们给错误取的名字。

The tongue is like a sharp knife, killing without drawing blood. Words from a skilled person can cause greater harm than a warrior’s weapon.

Where there is no property there is no injustice.

I'm not a hero, I'm a voice for the voiceless.

子张问仁，孔子说：“能在天下推行五种品德，就是仁了。“哪五种？”说：“庄重、宽厚、诚实、勤敏、慈惠，庄重就不会受侮辱，宽厚就会得到拥护，诚实就会受到重用，勤敏就会获得成功，慈惠就会有本钱使用人。”

学习数学的最好方法就是去做数学。