In the actual world， a very great deal of the evil that is done does not spring from evil motives.

墨子说：言论如果能够付诸行动的就可以讲；不能够付诸行动的就别多说。言论不能付诸行动的而常讲，这就是卖弄口才了。

All the effects of Nature are only the mathematical consequences of a small number of immutable laws.

Don’t aim to have others like you； aim to have them respect you.

Sustainability is not just about technology, it's about creating a whole new ecosystem.

Life is too short to waste time hating anyone.

Progress in medicine is not just about technology—it’s about humanity.