If there were no fools, how would we recognize the wise

Fools can't understand even the gist by reading repeatedly the whole book; wise could comprehend easily its content by seeing merely its cover title and the character of its writer.

There is no surprise that every person’s words or thoughts have inherent voice and that clearly reveals who is only pretending to be nice and who is actually wise.

Don't approach a goat from the front, a horse from the back, or a fool from any side.

A spoon does not know the taste of soup, nor a learned fool the taste of wisdom.

What a fool does in the end, the wise do in the beginning.