Learning without thought is labour lost.

He who needs only coarse food, water and drink, and as pillow his folded arms will find happiness without further search.

When you see a good person, think of becoming like her/him. When you see someone not so good, reflect on your own weak points.

Heaven gives long life to the just and the intelligent.

The book salesman should be honored because he brings to our attention, as a rule, the very books we need most and neglect most.

Rotten wood cannot be carved.

The superior man has a dignified ease without pride. The mean man has pride without a dignified ease.