Take a coin from your purse and invest it in your mind. It will come pouring out of your mind and overflow your purse.
Observe all men, thyself most.
In the affairs of this world, men are saved not by faith, but by the want of it.
You may give give a man office, but you cannot give him discretion
The doorstep to the temple of wisdom is a knowledge of our own ignorance.
Nor is it of much Importance to us to know the Manner in which Nature executes her laws; 'tis enough to know the Laws themselves.