It is customary these days to ignore what should be done in favour of what pleases us.
What you lend is lost; when you ask for it back, you may find a friend made an enemy by your kindness. If you begin to press him further, you have the choice of two things - either to lose your loan or lose your friend.
I trust no rich man who is officiously kind to a poor man.
The prudent man really frames his own fortunes for himself.
Things unhoped for happen oftener than things we desire.
Unexpected results are the rule rather than the exception.