The price one pays for pursuing any profession, or calling, is an intimate knowledge of its ugly side.

Parents are usually more careful to bestow knowledge on their children rather than virtue, the art of speaking well rather than doing well but their manners should be of the greatest concern.

He that hath knowledge spareth his words.

To act on the belief that we possess the knowledge and the power which enable us to shape the processes of society entirely to our liking, knowledge which in fact we do not possess, is likely to make us do much harm.

Some people drink from the fountain of knowledge, others just gargle.

The two operations of our understanding, intuition and deduction, on which alone we have said we must rely in the acquisition of knowledge.

Although modesty is natural to man, it is not natural to children. Modesty only begins with the knowledge of evil.

Science knows no country, because knowledge belongs to humanity, and is the torch which illuminates the world. Science is the highest personification of the nation because that nation will remain the first which carries the furthest the works of thought and intelligence.

The desire of excessive power caused the angels to fall the desire of knowledge caused men to fall.

The fundament upon which all our knowledge and learning rests is the inexplicable.