鲜艳的花朵不可能在离开花枝之后,还能长久鲜艳;足以吞下船只的大鱼也不可能在离开水源之后,还能活命。
粒子的概念只是近似的,并且只有在动量较小的极限下才有意义。
The only way to do great work is to love what you do.
You're in control, is there anywhere you wanna go?