The future belongs to those who can make leather without leaving scars—on the earth or its people.
Once we realize that imperfect understanding is the human condition, there is no shame in being wrong, only in failing to correct our mistakes.
学习数学的最好方法就是做数学。
每一个实验都会破坏通过先前实验获得的关于系统的某些知识。
"The truth is rarely pure and never simple."
了解过去对于设计能够塑造更美好未来的政策至关重要。
The true test of a society is how it treats its most vulnerable members.