释义：当对知识的理解达到真实、确切、坚定的程度时，这种理解就会体现为具体的行动；而在行动中能做到明白、警觉、精细、明察的地步，这也反映了对相关知识的掌握。

你能创造的最有价值的东西就是错误——你无法从完美中学到任何东西。

The past is not dead, it is not even past.

你唯一应该努力超越的人就是昨天的自己。

The true value of leather lies in its durability and timeless appeal, not just its aesthetics.

Mathematics is the language with which God has written the universe.

If knowledge can create problems, it is not through ignorance that we can solve them.