To write is to give oneself over to the world, to let the world in, and to let it change you.
反向传播最重要的地方在于它只是链式法则。
It is the duty of the human understanding to understand that there are things which it cannot understand.
健康不是富人的特权，却是穷人的脆弱点。
The true measure of success is the impact you have on others.