It's survival of the fittest. You can't have everything perfect, that's impossible, but the fit survive. The fit can handle the impurities in the air and in the water, but the poor people who are sick, it really affects them more. Jack LaLanne More Quotes by Jack LaLanne More Quotes From Jack LaLanne I'm always asking people to do something in their mind [first]. So if they're gonna do one exercise, it would be to ask themselves what they want to change about themselves in the next 12 weeks. Once they solve that, the body will follow. Jack LaLanne mind exercise people