Never forget what you are, for surely the world will not. Make it your strength. Then it can never be your weakness. Armor yourself in it, and it will never be used to hurt you.
In one minute you can change your attitude and in that minute you can change your entire day.
好书是能改变你的书。
逻辑学研究不仅仅是关于形式系统，更是关于理解人类推理的本质。
Trust is the foundation of successful partnerships in the energy sector.