The mind once enlightened cannot again become dark.

Thinking consists in envisaging, realizing structural features and structural requirements.

你可以撼动星辰。你可以做任何事，只要你敢。而在内心深处，你也知道这一点。这就是最让你害怕的地方。

Forests teach us patience—growth takes time.

成功是一段旅程，而不是终点。