Opportunity is missed by most people because it is dressed in overalls and looks like work.
Once you start a working on something, don't be afraid of failure and don't abandon it. People who work sincerely are the happiest.
'To Start Press Any Key'. Where's the ANY key?
You've got to be very careful if you don't know where you're going, because you might not get there.
The best of artists has no conception that the marble alone does not contain within itself.
There is but one dependable method of accumulating and legally holding riches, and that is by rendering useful service.
There are many ways of going forward, but only one way of standing still.
Without a humble but reasonable confidence in your own powers you cannot be successful or happy.
There is little success where there is little laughter.
The secret of success is constancy to purpose.
It has been my observation that most people get ahead during the time that others waste
No man can taste the fruits of autumn while he is delighting his scent with the flowers of spring.
Earning happiness means doing good and working, not speculating and being lazy. Laziness may look inviting, but only work gives you true satisfaction.
If you are the master be sometimes blind, if you are the servant be sometimes deaf.
It is a cursed evil to any man to become as absorbed in any subject as I am in mine
Tell the audience what you're going to say, say it; then tell them what you've said.
The successful leader must be willing to assume responsibility for the mistakes and the shortcomings of his followers.
I hope that I may always desire more than I can accomplish.
Old Professors never die, they just lose their faculties.
To invent, you need a good imagination and a pile of junk.
The difference between a successful person and others is not a lack of strength, not a lack of knowledge, but rather a lack in will.