Quality is never an accident; it is always the result of intelligent effort.
The question isn't who is going to let me; it's who is going to stop me.
Ask the Possible of the Impossible,“Where is your dwelling-place?”“In the dreams of the impotent.”comes the answer.
物理定律是普适的,在像银河系中心这样的极端环境中测试它们是至关重要的。
The only way to do great work is to love what you do.