The highest result of education is tolerance.

The diversity in the faculties of men, from which the rights of property originate, is not less an insuperable obstacle to an uniformity of interests. The protection of these faculties is the first object of government.

I quote others only in order to better express myself.

Wisdom, compassion, and courage are the three universally recognized moral qualities of men.

There have to be reasons that you get up in the morning and you want to live. Why do you want to live? What's the point? What inspires you? What do you love about the future? If the future does not include being out there among the stars and being a multi-planet species, I find that incredibly depressing.

The intention to live as long as possible isn't one of the mind's best intentions, because quantity isn't the same as quality.