最好的学习方法就是动手去做——在实验室里亲自动手。
Generally speaking, envy, resentment, and self-pity are disastrous modes of thoughts.Self-pity gets fairly close to paranoia, and paranoia is one of the very hardest things to reverse.
企业的目的不仅仅是利润,还包括为社会做贡献。