That thing is called free, which exists solely by the necessity of its own nature, and of which the action is determined by itself alone. On the other hand, that thing is necessary, or rather constrained, which is determined by something external to itself to a fixed and definite method of existence or action.

By God, I mean a being absolutely infinite - that is, a substance consisting in infinite attributes, of which each expresses eternal and infinite essentiality.…

By eternity, I mean existence itself, in so far as it is conceived necessarily to follow solely from the definition of that which is eternal. Explanation - Exi…

A body is called finite because we always conceive another greater body. So, also, a thought is limited by another thought, but a body is not limited by though…