Energy and persistence conquer all things

"If I had to select one quality, one personal characteristic that I regard as being most highly correlated with success, whatever the field, I would pick the trait of persistence. Determination. The will to endure to the end, to get knocked down seventy times and get up off the floor saying - 'Here comes number seventy-one!'" - Richard M. DeVos

Even winners lose sometimes

Charles Lynch said "You can't be a winner and be afraid to lose". Don't let fear guide you.