Like most platitudes, those sound sweet and strong, but when they're exposed to the real world they suffer a bit.

Only a fool continues on his path when nothing but opposition and bad luck are in front of him. There are times that even wise men bow to Fate's will.

And of course, people will point to the successes of the world when discussing how important it is to persevere. But step back a moment and realize that they account for what - 0.0001% of the population?

Winners are generally the kind of people that are competitive no matter what they do, and competition has its benefits but also many draw-backs. World-changing is a game for the young, so if you're in that group good luck to you - otherwise, in hopes of avoiding heart attacks, strokes, high blood pressure and mental issues, chill out, toke it up and enjoy what life gives you, instead of trying to wrench every last drop from it.