Guard yourself against accusations, even if they are false; for the multitude are ignorant of the truth and look only to reputation. In all things re… - Isocrates

I shall be most grateful to the gods if I am not disappointed in the opinion which I have of you. For, while we find that the great majority of other men seek the society of those friends who join them in their follies and not of those to admonish them, just as they prefer the most pleasant to the most wholesome, you, I think, are minded otherwise as I judge from the industry you display in your general education. For when one sets for himself the highest standard of conduct, it is probable that in his relation to others he will approve only of those who exhort him to virtue. But most of all you would be spurred on to strive for noble deeds if you should realize that it is from them most of all that we also derive pleasure in the true sense. For while the result of indolence and love of surfeit is that pain follows on the heels of pleasure, on the other hand, devoted toil in the pursuit of virtue, and self-control in the ordering of one's life always yield delights that are pure and more abiding. In the former case we experience pain following upon pleasure, in the latter we enjoy pleasure after pain.

Believe that many precepts are better than much wealth; for wealth quickly fails us, but precepts abide through all time; for wisdom alone of all possessions is imperishable. Do not hesitate to travel a long road to those who profess to offer some useful instruction; for it were a shame, when merchants cross vast seas in order to increase their store of wealth, that the young should not endure even journeys by land to improve their understanding.

Ἐὰν ᾖς φιλομαθής, ἔσει πολυμαθής