surely failure should be a valuable lesson in achieving success later, and I think we should strive to for achieve the dreams of life, of course, success in business.
Yes, those who treat their mistakes as lessons definitely succeed in life but for those who take mistakes on heart and stop struggling for their dreams are never ever able to chase their dreams.
You really need to be strong when you have high goals. High goals involve high risks and big blunders, so we should be aware of all this before setting big goals.