Investigate things to extend knowledge.

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

Learning is for the self.

If you wish to see the laws of high thunder with a pure and skilful mind, look upon the summits of the highest heaven.

-- Boethius

Westward the course of empire takes its way.

-- George Berkeley

Learning is for the self.

-- Zhu Xi

King and father of Europe.

-- Charlemagne

Take whatever time gives you, and do not mourn what slips away.

-- Harun al-Rashid

Among the people there is no possession so esteemed as the state / yet there is no state in this world like one breath of good health.

-- Suleiman the Magnificent