"Knowledge comes, but wisdom lingers. It may not be difficult to store up in the mind a vast quantity of facts within a comparatively short time, but the ability to form judgments requires the severe discipline of hard work and the tempering heat of experience and maturity."
"Life can only be understood backwards but it must be lived forwards."Calvin Coolidge on Soren Kierkegaard
"The only source of knowledge is experience."Calvin Coolidge on Albert Einstein
"Experience: that most brutal of teachers. But you learn, my God do you learn."Calvin Coolidge on C. S. Lewis
"Experience is simply the name we give our mistakes."Calvin Coolidge on Oscar Wilde
"A man who carries a cat by the tail learns something he can learn in no other way."Calvin Coolidge on Mark Twain
"Nothing in this world can take the place of persistence. Talent will not nothing is more common than unsuccessful people with talent. Genius will not unrewarded genius is almost a proverb. Education will not the world is full of educated failures. Persistence and determination alone are omnipotent."
"No enterprise can exist for itself alone. It ministers to some great need, it performs some great service, not for itself, but for others or failing therein, it ceases to be profitable and ceases to exist."
"I have found it advisable not to give too much heed to what people say when I am trying to accomplish something of consequence. Invariably they proclaim it can't be done. I deem that the very best time to make the effort."
"After all, the chief business of the American people is business. They are profoundly concerned with producing, buying, selling, investing and prospering in the world."
"Perhaps one of the most important accomplishments of my administration has been minding my own business."