I am not discouraged, because every wrong attempt discarded is another step forward.

Thomas Edison

Success is doing ordinary things extraordinarily well.

Jim Rohn

Believe and act as if it were impossible to fail.

Charles Kettering

Only those who dare to fail greatly can ever achieve greatly.

John F. Kennedy

I have learned that success is to be measured not so much by the position that one has reached in life as by the obstacles which one has overcome while trying to succeed.

Booker T. Washington