In the construction of houses, choice of woods is made. Straight un-knotted timber of good appearance is used for the revealed pillars, straight timber with small defects is used for the inner pillars. Timbers of the finest appearance, even if a little weak, is used for the thresholds, lintels, doors, and sliding doors, and so on. Good strong timber, though it be gnarled and knotted, can always be used discreetly in construction.

Consider yourself lightly; consider the world deeply.

Perceive that which cannot be seen with the eye.

In strategy your spiritual bearing must not be any different from normal. Both in fighting and in everyday life you should be determined though calm. Meet the situation without tenseness yet not recklessly, your spirit settled yet unbiased.

The path that leads to truth is littered with the bodies of the ignorant.

If the enemy thinks of the mountains, attack like the sea; and if he thinks of the sea, attack like the mountains.

from one thing, know ten thousand things