The only thing I fear is God.

The right of a nation to kill a tyrant in case of necessity can never be doubted until the right of a tyrant to kill a nation has been proved.

True intelligence is about making machines understand human intentions, not making humans adapt to machines.

"Think wrongly, if you please, but in all cases, think for yourself."

坚持很重要， 永远不要放弃，除非不得已。