不要为那些不愿在你身上花费时间的人而浪费你的时间。
The most profound theories often arise from the simplest observations.
当不同的声音被倾听和重视时,才能做出最好的决策。
The real question is not whether machines think but whether men do.
I don't let the world change my smile.
Not only do we live in the world of thought, but also in the world of matter.