A man should choose a friend who is better than himself. There are plenty of acquaintances in the world; but very few real friends.

When we have nothing to worry about we are not doing much, and not doing much supplies us with plenty of future worries

You can hardly make a friend in a year, but you can easily offend one in an hour.

A horse cannot gain weight if not fed with extra fodder during the night; a man cannot become wealthy without earnings apart from his regular salaries.

A gem cannot be polished without friction, nor a man perfected without trials.

So long as a man is angry he cannot be in the right