Invention lies not in knowledge itself but in the ingenuity to apply it.

Do not think about a hundred things at once; think a hundred times about one thing.

Ask why five times.

Open the shoji screen and look outside; the world is vast.

It is hard to retain what you learn unless you practice it.

-- Seneca

Waste no more time arguing about what a good man should be. Be one.

-- Marcus Aurelius

It is the task of one rightly oriented toward others to draw the circles in toward the centre.

-- Hierocles

It is not learning that makes people good, but practice.

-- Gaius Musonius Rufus

The knowledge and contemplation of nature is somehow defective and incomplete unless action follows.

-- Panaetius

The beginning is half of the whole.

-- Aristotle