A youth is to be regarded with respect. How do we know that his future will not be equal to our present? If he reach the age of forty or fifty, and has not made himself heard of, then indeed he will not be worth being regarded with respect.
Of course you want to be rich and famous. It's natural. Wealth and fame are what every man desires. The question is: What are you willing to trade for it?
A man of humanity is one who, in seeking to establish himself, finds a foothold for others and who, in desiring attaining himself, helps others to attain.
If I were travelling with two partners, one virtuous and one dishonest, both would be useful as teachers. I would perceive what's good of the first one and I would imitate him whereas I would try to correct in me the defects I may see in the second one.