"A book is a door. You open it. You step through."

Collaboration is key—no single entity can solve the world's challenges alone.

Without some goals and some efforts to reach them, no man can live. What we call life is a journey, and the journey itself is home.

Don't wait for the perfect moment. Take the moment and make it perfect.

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。