We have a collection of 3 Wisdom quotes from Charles Caleb Colton
"There is this difference between happiness and wisdom: he that thinks himself the happiest man, really is so; but he that thinks himself the wisest, is generally the greatest fool." (ID 3253)
"Moderation is the inseparable companion of wisdom, but with it genius has not even a nodding acquaintance." (ID 3310)
"Doubt is the vestibule through which all must pass before they can enter into the temple of wisdom." (ID 3339)