Gravity is only the bark of wisdom's tree; but it preserves it.
A youth, when at home, should be filial and, abroad, respectful to his elders. He should be earnest and truthful. He should overflow in love to all and cultivate the friendship of the good. When he has time and opportunity, after the performance of these things, he should employ them in polite studies.
When the Master entered the great temple he asked about everything. Someone said, ‘Who will say that this son of the man of Zou knows about ritual? When he enters the temple, he asks about everything'. The Master heard of it and said, ‘This is the ritual'.
Listen to all that you can – then, if you forget the deficiencies and speak about the rest cautiously, you avoid trouble. See all that you can – then, if you forget the perilous and act upon the rest cautiously, you'll avoid regret. In speech avoid trouble, in action avoid regret – then rewards will come of themselves.