If you wish to know the mind of a man, listen to his words.

A man's faults all conform to his type of mind. Observe his faults and you may know his virtues.

A closed mind is like a closed book; just a block of wood

The broad-minded see the truth in different religions; the narrow-minded see only the differences

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.