It would take six months to get to Mars if you go there slowly, with optimal energy cost. Then it would take eighteen months for the planets to realign. Then it would take six months to get back, though I can see getting the travel time down to three months pretty quickly if America has the will.

I am truly thankful for my health that has permitted me to obtain optimal results in my career.

Some struggle with medical issues - like insomnia - that make sleep hard. But for many of us, the quantity and quality of sleep come down to a matter of choice. Still, only a few enterprising economists have looked closely at this, and generally, those have assumed that we choose our hours of sleep optimally.

The goal of my diet-style is eating for optimal health and longevity. What greater benefit could there be than living healthfully and actively into old age with no dependence on medications and almost no risk of heart disease, diabetes or dementia?

If workers are more insecure, that's very 'healthy' for the society, because if workers are insecure, they won't ask for wages, they won't go on strike, they won't call for benefits; they'll serve the masters gladly and passively. And that's optimal for corporations' economic health.

The 3-hour Diet is absolutely safe - in fact it's not a diet, it's a lifestyle! Once you reach your goal weight, you just adjust the portion sizes slightly to maintain that optimal weight.

To provide optimal levels of protective micronutrients, a diet must be vegetable-based, not grain-based.

In my opinion, no single design is apt to be optimal for everyone.

Well I believe in the desirability of an optimal society.

In my opinion no single design is apt to be optimal for everyone.