[B]eyond poverty, beyond the point that the material needs are reasonably satisfied, only from within is peace.

If you know that you are not sure, you have a chance to improve the situation. I want to demand this freedom for future generations.

Teach principles not formulas.

Don't think about what you want to be, but what you want to do. Keep up some kind of a minimum with other things so that society doesn't stop you from doing anything at all.

But there is nothing in biology yet found that indicates the inevitability of death.

It is important to realize that in physics today, we have no knowledge of what energy is

Observation, reason, and experiment make up what we call the scientific method.