… I have not failed. I’ve just found 10,000 ways that won’t work.
— Thomas Edison
Anyone who has never made a mistake has never tried anything new.
— Albert Einstein
Whether you think that you can, or that you can’t, you are usually right.
— Henry Ford
The greatest test of courage on earth is to bear defeat without losing heart.
— Robert G. Ingersoll
Mistakes are the portals of discovery.
— James Joyce