Two things fill the mind with ever new and increasing admiration and reverence: the starry heavens above me and the moral law within me.

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

Have the courage to use your own understanding!

Treat humanity, in your own person or in another, always as an end and never merely as a means.

You must learn all things: both the steadfast heart of well-rounded Truth and the opinions of mortals, in which there is no true trust.

-- Parmenides

For thinking and Being are the same.

-- Parmenides

Those who understand that things arise dependently know them to be empty.

-- Nagarjuna

Knowing is the beginning of action; action is the completion of knowing.

-- Wang Yangming

The world is my representation.

-- Arthur Schopenhauer

Knowledge is the conformity of the object and the intellect.

-- Averroes