The vital impulse of which we speak consists, in short, in a demand for creation.

Think like a man of action; act like a man of thought.

To exist is to change, to change is to mature, to mature is to go on creating oneself endlessly.

Everything that is capable of turning back upon itself is incorporeal.

-- Porphyry

Every unity either participates in the One or is itself the One.

-- Proclus

All is number.

-- Pythagoras

You will not find thinking apart from Being, in which it is expressed.

-- Parmenides

There is no envy in the good.

-- Plato

Before heaven and earth existed, there was, ultimately, principle (li) first.

-- Zhu Xi