The wisdom of men is worth little or nothing.

This City is what it is because our citizens are what they are.

We do not learn; and what we call learning is only a process of recollection.

Then the lover, who is true and no counterfeit, must of necessity be loved by his love.

A state arises,as I conceive,out of the needs of mankind;no one is self-sufficing,but all of us have many wants

He is unworthy of the name of man who is ignorant of the fact that the diagonal of a square is incommensurable with its side.

If the study of all these sciences which we have enumerated, should ever bring us to their mutual association and relationship, and teach us the nature of the ties which bind them together, I believe that the diligent treatment of them will forward the objects which we have in view, and that the labor, which otherwise would be fruitless, will be well bestowed.