If anyone should doubt whether the electrical matter passes through the substance of bodies, or only over along their surfaces, a shock from an electrified large glass jar, taken through his own body, will probably convince him.

Nothing is more important for the public wealth than to form and train youth in wisdom and virtue. Only a virtuous people are capable of freedom.

Buy what thou hast no need of and ere long thou shalt sell thy necessities.

When you speak to a man, look on his eyes; when he speaks to you, look on his mouth.

A good example is the best sermon.

You must always be prepared. Make sure to look at things from all angles. If you are not prepared you will fail.

We must not in the course of public life expect immediate approbation and immediate grateful acknowledgment of our services. But let us persevere through abuse and even injury. The internal satisfaction of a good conscience is always present, and time will do us justice in the minds of the people, even those at present the most prejudiced against us.