Do not overrate what you have received, nor envy others. he who envies others does not obtain peace of mind

Hard times require furious dancing.

Who we are never changes. Who we think we are does.

Iron rusts from disuse; water loses its purity from stagnation... even so does inaction sap the vigour of the mind.

Go to your bosom: Knock there, and ask your heart what it doth know.

If I am not for myself, who will be for me? If I am not for others, what am I? And if not now, when?

Ever since I arrived at the state of manhood... I have been a person of business.