Studies are the food of youth, the delight of old age; the ornament of prosperity, the refuge and comfort of adversity; a delight at home, and no hindrance abroad; they are companions by night, and in travel, and in the country.

In a discussion of this kind our interest should be centered not on the weight of the authority but on the weight of the argument. Indeed the authority of those who set out to teach is often an impediment to those who wish to learn. They cease to use their own judgment and regard as gospel whatever is put forward by their chosen teacher.

For surely to be wise is the most desirable thing in all the world.

No liberal man would impute a charge of unsteadiness to another for having changed his opinion.

To freemen, threats are impotent.

I prefer tongue-tied knowledge to ignorant loquacity.

To those who are engaged in commercial dealings, justice is indispensable for the conduct of business.