Nothing will work unless you do
Never be afraid to try something new. Remember, amateurs built the ark. Professionals built the Titanic.
The difference between a successful person and others is not a lack of strength, not a lack of knowledge, but rather is a lack of will.
Consider the postage stamp: its usefulness consists in the ability to stick to one thing until it gets there.
"I can't do it" never yet accomplished anything; "I will try" has performed wonders.
Persistent people begin their successes where others end in failure.
When we think positively and imagine what we want, we risk disappointment; when we don't, we ensure it.
Whether you think you can or think you can't, you're right.
Yes, you can be a dreamer and a doer too, if you remove one word from your vocabulary: impossible.
-Robert H. Schuller
Believe and act as if it were impossible to fail.
-Charles F. Kettering
Being challenged in life is inevitable, being defeated is optional.
It's a little like wrestling a gorilla. You don't quit when you're tired, you quit when the gorilla is tired.
Failure is a detour; not a dead-end street.
I've never failed once. It just happened to be a 2000-step process.
-Thomas A. Edison
It's hard to beat a person who never gives up.
You are never a loser until you quit trying.