言语是行动的影子。
Scale does not equal value, precision is the key.
There's poetry in the way light falls on everyday objects.
为自己的原则而战比实践这些原则要容易。
Every experiment, whether successful or not, is a step toward understanding.
一个数学家的真正价值在于他们留下的问题。
他这种聪明,别人能做到,而这种愚傻,别人便难以做到了。