He who is content is always happy; endless desires never find satisfaction.

The self is not a solid thing but a collection of echoes.

事实是顽固的东西；无论我们的愿望、倾向或激情的驱使如何，它们都无法改变事实和证据的状态。

The true value of a forest cannot be measured in board feet alone; its worth is in the life it sustains.

The future belongs to those who believe in the beauty of their dreams.

The mind of the wise is an open book.

你的行为会带来改变，而你必须决定你想带来什么样的改变。