Knowledge has three degrees: ...

Knowledge has three degrees: opinion, science, illumination. The means or instrument of the first is sense; of the second, dialectic; of the third, intuition.
Knowledge has three degrees: opinion, science, illumination. The means or instrument of the first is sense; of the second, dialectic; of the third, intuition.
 Plotinus

More phrases

I've missed more than 9000 shots in my career. I've lost almost 300 games. 26 times, I've been trusted to take the game winning shot and missed. I've failed over and over and over again in my life. And that is why I succeed.
I am fond of pigs. Dogs look up to us. Cats look down on us. Pigs treat us as equals.
Government of the people, by the people, for the people, shall not perish from the Earth.
The ballot is stronger than the bullet.
In times of change, learners inherit the earth, while the learned find themselves beautifully equipped to deal with a world that no longer exists.

Quotes from the same author

Knowledge, if it does not determine action, is dead to us.
 Plotinus
Beauty addresses itself chiefly to sight, but there is a beauty for the hearing too, as in certain combinations so words and in all kinds of music; for melodies and cadences are beautiful; and minds that lift themselves above the realm of sense to a higher order are aware of beauty in the conduct of life, in actions, in character, in the pursuits of the intellect; and there is the beauty of the virtues.
 Plotinus