By three methods we may learn wisdom: First, by reflection, which is noblest; Second, by imitation, which is easiest; and third by experience, which is the bitterest.

The reason there are so few female politicians is that it is too much trouble to put makeup on two faces.

Support the strong, give courage to the timid, remind the indifferent, and warn the opposed.

The creative act is not performed by the artist alone; the spectator brings the work in contact with the external world by deciphering and interpreting its inner qualifications and thus adds his contribution to the creative act.

He who has an opinion of his own, but depends on the opinion and tastes of others is a slave.

Whatever we well understand we express clearly, and words flow with ease.

The more sand that has escaped from the hourglass of our life, the clearer we should see through it.

Quality in a product or service is not what the supplier puts in. It is what the customer gets out and is willing to pay for. A product is not quality because it is hard to make and costs a lot of money, as manufacturers typically believe. This is incompetence. Customers pay only for what is of use to them and gives them value. Nothing else constitutes quality.

...A good book is the precious lifeblood of a master spirit, embalmed and treasured up on purpose to a life beyond life.

The successful man is the one who finds out what is the matter with his business before his competitors do.