Ill doers are ill thinkers. [ Proverb ]

Brisk talkers are generally slow thinkers. [ Swift ]

Honest thinkers are always stealing from each other. [ O. W. Holmes ]

All thinkers have about the same principles, and form but one republic. [ Voltaire ]

Society is a troop of thinkers and the best heads among them take the best places. [ Emerson ]

It is strange that thought should depend upon the stomach, and still that men with the best stomachs are not always the best thinkers. [ Voltaire ]

Thinkers are as scarce as gold; but he whose thought embraces all his subject, who pursues it uninterruptedly and fearless of consequences, is a diamond of enormous size. [ Lavater ]

Thinkers who trace systems of philosophy are merely impelled by an innate instinct; they know that their precepts, however excellent, are not suitable to the majority: the wisdom may be admired by many, but few will follow the principles. [ De Finod ]