天下人最能享受的是个“闲”字,但是闲适要从勤俭中得到。而天下最便宜的是个“勤”字,然而勤奋是从闲暇中做出。
Spend each day trying to be a little wiser than you were when you woke up.
The value of a mental process lies in its utility for the organism's adjustment to life.