“Doubt is the vestibule through which all must pass before they can enter into the temple of wisdom.”– Charles Caleb Colton Related Quotes “No one ever found wisdom without also being a fool. Writers, alas, have to be fools in public, while the rest of the human race can cover its tracks.”– Erica Jong “The older I get the more wisdom I find in the ancient rule of taking first things first. A process which often reduces the most complex human problem to a manageable proportion.”– Dwight D. Eisenhower “A loving heart is the truest wisdom.”– Charles Dickens