Teachers open the door ... you enter by yourself.

All things are nourished together without their injuring one another. The courses of the seasons, and of the sun and moon, are pursued without any collision among them. The smaller energies are like river currents; the greater energies are seen in mighty transformations. It is this which makes heaven and earth so great.

Without knowing the force of words, it is impossible to know more.

Old age, believe me, is a good and pleasant thing. It is true you are gently shouldered off the stage, but then you are given such a comfortable front stall as spectator.

A country of a thousand war-chariots cannot be administered unless the ruler attends strictly to business, punctually observes his promises, is economical in expenditure, loves the people, and uses the labor of the peasantry only at the proper times of year.

Learn as if you were not reaching your goal and as though you were scared of missing it

Love of goodness without love of learning degenerates into simple-mindedness. Love of knowledge without love of learning degenerates into utter lack of principle. Love of faithfulness without love of learning degenerates into injurious disregard of consequences. Love of uprightness without love of learning degenerates into harshness. Love of courage without love of learning degenerates into insubordination. Love of strong character without love of learning degenerates into mere recklessness.