If we did all the things we are capable of, we would literally astound ourselves.
Opportunity is missed by most people because it is dressed in overalls and looks like work.
The best thinking has been done in solitude.
There's no substitute for hard work.
There's a way to do it better – find it.
The first requisite for success is the ability to apply your physical and mental energies to one problem incessantly without growing weary.
Being busy does not always mean real work. The object of all work is production or accomplishment and to either of these ends there must be forethought, system, planning, intelligence, and honest purpose, as well as perspiration. Seeming to do is not doing.
Our greatest weakness lies in giving up. The most certain way to succeed is always to try just one more time.
To invent, you need a good imagination and a pile of junk.
If we did the things we are capable of, we would astound ourselves.
The doctor of the future will give no medicines, but will interest his patients in the care of the human frame, in diet, and in the causes and prevention of disease.
Negative results are just what I want. They're just as valuable to me as positive results. I can never find the thing that does the job best until I find the ones that don't.
I find out what the world needs. Then, I go ahead and invent it.
Everything comes to him who hustles while he waits.
I am not discouraged, because every wrong attempt discarded is another step forward.
Genius is 1% inspiration, 99% perspiration.
What man's mind can create, man's character can control.
TO do much clear thinking a man must arrange for regular periods of solitude when he can concentrate and indulge his imagination without distraction.
Genius is one percent inspiration and ninety-nine percent perspiration.
There is no substitute for hard work.
To have a great idea, have a lot of them.