I don’t let hate define me, I let it refine me.
Greatness is not about being the best, but bringing out the best in others.
In science, the most dangerous phrase is 'We've always done it this way.'
The real question is not whether machines think but whether men do.
不曾有过一个女儿这样爱过他的父亲,也不曾有一个父亲这样被他女儿爱。
Kindness is a language that the deaf can hear and the blind can see.