我的花生命是短暂的，她只有四根刺可以保护自己，抵御世界，我却将她独自留在我的星球上了！

"The beauty of computational complexity lies in its ability to reveal the inherent difficulty of problems, regardless of the specific algorithms used to solve them."

Our frustration is greater when we have much and want more than when we have nothing and want some. We are less dissatisfied when we lack many things than when we seem to lack but one thing.