They dispute not in order to find or even to seek Truth, but for victory, and to appear the more learned and strenuous upholders of a contrary opinion. Such persons should be avoided by all who have not a good breastplate of patience.

Time is the father of truth, its mother is our mind.

That which we have lived is nothing; that which we live is a point; that which we have to live is not yet a point, but may be a point which, together, shall be and shall have been.

The soul, in its power, is present in some way in the entire universe, because it apprehends substances which are not included in the body in which it lives, although they are related to it.

There is no law governing all things.

When we consider the being and substance of that universe in which we are immutably set, we shall discover that neither we ourselves nor any substance doth suffer death. For nothing is in fact diminished in its substance, but all things, wandering through infinite space, undergo change of aspect.

The stars in the sky are really other suns like our own, around which orbit other planets. (paraphrase)