That in the soul which is called the mind is, before it thinks, not actually any real thing.

Metaphysics is universal and is exclusively concerned with primary substance. ... And here we will have the science to study that which is, both in its essence and in the properties which it has.

The two qualities which chiefly inspire regard and affection are that a thing is your own and that it is your only one.

The ultimate end...is not knowledge, but action. To be half right on time may be more important than to obtain the whole truth too late.

Think as wise men do, but speak as the common people do.

If the poor, for example, because they are more in number, divide among themselves the property of the rich,- is not this unjust? . . this law of confiscation clearly cannot be just.

Suppose, then, that all men were sick or deranged, save one or two of them who were healthy and of right mind. It would then be the latter two who would be thought to be sick and deranged and the former not!