Related:

• Most of us can do more than we think we can, but usually do less than we think we have.
• The rights we have today we may consider natural rights, but they were won by blood, sweat, sacrifice, and death.
  -- Dwight D. Eisenhowe...
• The world will never have lasting peace so long as men reserve for war the finest human qualities.
  Peace, no less than war, requires idealism and self-sacrifice and a righteous and dynamic faith....
• We give up leisure in order that we may have leisure, just as we go to war in order that we may have peace.
  -- Aristotle...
• If you have always done it that way, it is probably wrong. -- Charles F. Kettering
• We are all better than we know; if only we can be brought to realise this, we may never again be prepared to settle for anything less.
  -- Kurt Hahn, co-founder of Outward Bound...
• I have no doubt that in reality the future will be vastly more surprising than anything I can imagine.
  Now my own suspicion is that the universe is not only queerer than we suppose, but queerer than we can suppose....
• The more you sweat in peace, the less you bleed in war.
• Ours is a world of nuclear giants and ethical infants.
  We know more about war than we know about peace, more about killing than we know about living....