The only thing that can make you brave is your own fear.
数学的本质不是使简单的事物复杂化，而是使复杂的事物简单化。
向更清洁能源的过渡必须实用、经济且可靠。
The world needs responsible mining now more than ever.
You can’t please everyone, so don’t try.
All I can do is be me, whoever that is.
互联网可能是迈向教育、组织和参与一个有意义的社会的非常积极的一步。
I don't care if you're a king or a street sweeper, everybody dances with the Grim Reaper.
Our greatest ability as humans is not to change the world, but to change ourselves.