Practical wisdom is only to be learned in the school of experience. Precepts and instruction are useful so far as they go, but, without the discipline of real life, they remain of the nature of theory only.
Enjoy the good health. Bring the truth happiness.
Care of his own family. Give the peace to all.
Firstly, one must discipline and control his own mind.
If he can do so, the enlightenment, wisdom and virtue will go to him naturally.