We learn wisdom from failure much more than from success; we often discover what will do, by finding out what will not do; and probably he who never make a mistake never made a discovery. Samuel Smiles
A life spent in making mistakes is not only more honourable but more useful than a life spent doing nothing. George Bernard Shaw
There are two mistakes one can make along the road to truth - not going all the way, and not starting. Buddha
If you want to increase your success rate, double your failure rate. Thomas Watson, Sr
Success is going from failure to failure without losing your enthusiasm. Winston Churchill