Ask yourself constantly, "What is the right thing to do?" Behave toward everyone as if receiving a great guest.

Study as though you cannot catch up to it, and as though you fear you are going to lose it.

Bird in hand makes it harder to blow nose.

There is only one thing in life which never changes, and it is change.

Learning without thought is labor lost; thought without learning is perilous.

If a superior man abandon virtue, how can he fulfil the requirements of that name?

Knowledge is merely brilliance in organization of ideas and not wisdom. The truly wise person goes beyond knowledge.