The key is to keep company only with people who uplift you, whose presence calls forth your best. - Epictetus

the World turns aside to let any man pass who knows where he is going.

For sheep don’t throw up the grass to show the shepherds how much they have eaten; but, inwardly digesting their food, they outwardly produce wool and milk. Thus, therefore, do you likewise not show theorems to the unlearned, but the actions produced by them after they have been digested.

Take example from the wrestling-masters. Has the boy fallen down? Get up, again, they say; wrestle again until you have made yourself strong. That’s the sort of attitude you should have…For both ruin and salvation have their source within you.