I do not like to repeat successes, I like to go on to other things.
Don't spend time beating on a wall, hoping to transform it into a door.
I'm not the smartest fellow in the world, but I can sure pick smart colleagues.
One must be sane to think clearly, but one can think deeply and be quite insane.
Develop success from failures. Discouragement and failure are two of the surest stepping stones to success.
Be quick, but don't hurry.
Success is steady progress toward one's personal goals
Old Professors never die, they just lose their faculties.
Whosoever desires constant success must change his conduct with the times.
One of the greatest discoveries a person makes, one of their great surprises, is to find they can do what they were afraid they couldn't do.
Tell the audience what you're going to say, say it; then tell them what you've said.
As you start to walk out on the way, the way appears.
No one ever is defeated until defeat has been accepted as a reality.
Few things are impossible to diligence and skill. Great works are performed not by strength, but perseverance.
Practice does not make perfect. Perfect practice makes perfect.
Price is what you pay. Value is what you get.
I never pick up an item without thinking of how I might improve it.
He who will not economize will have to agonize.
A great secret of success is to go through life as a man who never gets used up.
You may have to fight a battle more than once to win it.
The majority of people who fail to accumulate money sufficient for their needs are, generally, easily influenced by the opinion of others.