The human mind is not just a passive recorder of reality but an active constructor of it.

Probability theory is nothing but common sense reduced to calculation.

森林的真正价值不能仅用板材英尺来衡量。

教育的目的不是使年轻人在任何一门科学上都变得完美，而是要打开和培养他们的思维，使他们在将来学习任何科学时都能胜任。

When I see someone wasting a glass of water, I think of those who don't have water on Earth.

哲学的任务是使世界更加人性化。