There is no substitute for hard work.
If we did all the things we are capable of, we would literally astound ourselves.
Our greatest weakness lies in giving up. The most certain way to succeed is always to try just one more time.
Everything comes to him who hustles while he waits.
Opportunity is missed by most people because it is dressed in overalls and looks like work.
To invent, you need a good imagination and a pile of junk.
All bibles are man-made.