When a man wants your advice he generally wants your praise

Advice is seldom welcome, and those who need it the most, like it the least.

Be wiser than other people if you can; but do not tell them so.

Better to understand a little than to misunderstand a lot.

In those days he was wiser than he is now - he used frequently to take my advice.

The man who cannot believe his senses, and the man, who cannot believe in anything else, are both insane