Investigate things to extend knowledge.

Ask why this pond stays so clear: because living water keeps flowing from its source.

Learning is for the self.

All is number.

-- Pythagoras

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

-- Parmenides

Philosophy is the knowledge of beings qua beings.

-- Farabi

All determination is negation.

-- Benedictus de Spinoza

There is no envy in the good.

-- Plato

I had to deny knowledge in order to make room for faith.

-- Immanuel Kant