学习
The highest activity a human being can attain is learning for understanding because to understand is to be free.
It is better for you to be free of fear lying upon a pallet, than to have a golden couch and a rich table and be full of trouble.
The end of all our exploring will be to arrive where we started and know the place for the first time.
To teach how to live without certainty and yet without being paralyzed by hesitation is perhaps the chief thing that philosophy， in our age， can do for those who study it.
