真正的数学家始终是学生，永远在学习。

Coal built the modern world, and it's our responsibility to ensure its legacy is managed with wisdom.

Consciousness serves the organism's need to interact effectively with its world.

The deterioration of every government begins with the decay of the principles on which it was founded.

A true friend is the one who holds your hand and touches your heart.

最伟大的实验是那些挑战我们认为我们知道的东西的实验。