"The key is not to get too high when things are going well and not too low when things are going bad."

Success is not accidental. It requires a lot of effort and sweat.

人生的伟大目标不在于求知，而在于行动。

Every tree planted today is an investment in a greener tomorrow.

不要在电子邮件中说任何你不愿意直接对某人说的关于某人的事情，因为最终他们会知道。