The most perfect education, in my opinion, is such an exercise of the understanding as is best calculated to strengthen the body and form the heart.

"The only thing necessary for the triumph of evil is for good men to do nothing."

系外行星的多样性令人惊叹，从气态巨行星到岩石世界，其中一些可能孕育着生命。

The worst prison is not the one with walls and bars, but the one in our minds.

Paths are made by walking.

已所不欲，勿施于人。