Investigate things to extend knowledge.

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

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

People seek retreats in the country, by the sea, in the mountains — but you can retire into yourself whenever you choose.

-- Marcus Aurelius

A sunao (open) mind sees the truth of things without being trapped by preconceptions.

-- Kōnosuke Matsushita

It is easy to vanquish bandits in the mountains; it is hard to vanquish the bandits in one's heart.

-- Wang Yangming

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

-- Zhu Xi

Psychology has a long past, yet only a short history.

-- Hermann Ebbinghaus