"Sometimes the most important things in life are the ones we can't see or touch, but we can feel them in our hearts."

The meaning of life lies in the experience, not the outcome.

The market is a reflection of the balance between supply and demand.

没有不正的念头，没有不规矩的动作，没有乱说的话，所以君子的一切行为皆存诚信。不欺骗自己，不欺骗别人，不欺骗上天，君子独处时益加谨慎。不愧父母、兄弟、妻子、君子无愧于家庭。不负国家所托，不愧对百姓的期望，不辜负自己所学，君子所以致力于社会的责任。

The concept of reducibility is central to understanding the relationships between different computational problems.