You can observe a lot just by watching.
To invent, you need a good imagination and a pile of junk.
Be quick, but don't hurry.
No one ever is defeated until defeat has been accepted as a reality.
Genius is eternal patience.
Lisa, if you don't like your job you don't strike. You just go in every day and do it really half-assed. That's the American way.
Innovation distinguishes between a leader and a follower.
Pleasure in the job puts perfection in the work.
It had long since come to my attention that people of accomplishment rarely sat back and let things happen to them. They went out and happened to things.
The best of artists has no conception that the marble alone does not contain within itself.
Obstacles are those frightful things you see when you take your eyes off your goals.
Success is most often achieved by those who don't know that failure is inevitable.
If you don't have time to do it right, when will you have the time to do it over?
Dad, you've done a lot of great things, but you're a very old man, and old people are useless.
True progress quietly and persistently moves along without notice.
Purity, patience, and perseverance are the three essentials to success and, above all, love.
Every action has its pleasures and its price.
Don't be afraid to give your best to what seemingly are small jobs. Every time you conquer one it makes you that much stronger. If you do the little jobs well, the big ones will tend to take care of themselves.
Riches do not respond to wishes. They respond only to definite plans, backed by definite desires, through constant persistence.
Chop your own wood and it will warm you twice
Be a yardstick of quality. Some people aren't used to an environment where excellence is expected.