The authentic is not knowable, but it is experiencable.

Do not let your fire go out, spark by irreplaceable spark.

Some men can get results if kindly encouraged, but give me the kind that do things in spite of hell.

逻辑学的研究是关于正确推理原则的研究。

成功就是带着热情从一个失败走向另一个失败。

不要让任何人熄灭你的光芒。