There is a single general space, a single vast immensity which we may freely call void: in it are unnumerable globes like this on which we live and grow, this space we declare to be infinite, since neither reason, convenience, sense-perception nor nature assign to it a limit.

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.

I do not know when, but I know that many have come in this century to develop arts and sciences, sow the seeds of a new culture that will flourish, unexpected, sudden, just when the power is deluded into believing they have won.

The hammers must be swung in cadence, when more than one is hammering the iron.

It is unity that doth enchant me. By her power I am free though thrall, happy in sorrow, rich in poverty, and quick even in death.

There is in the universe neither center nor circumference.

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