Experience

Character cannot be developed in ease and quiet. Only through experience of trial and suffering can the soul be strengthened, ambition inspired, and success achieved.

- Helen Keller

Experience is the teacher of all things.

- Julius Caesar

Human beings, who are almost unique in having the ability to learn from the experience of others.

- Douglas Adams

Do not argue with an idiot. He will drag you down to his level and beat you with experience.

- Greg king