Well, love is insanity. The ancient Greeks knew that. It is the taking over of a rational and lucid mind by delusion and self-destruction. You lose yourself, you have no power over yourself, you can't even think straight.
To nourish children and raise them against odds is in any time, any place, is more valuable than to fix bolts in cars or design nuclear weapons.
Anyone determined to find another person or group inferior can always find whole lists of grounds that demonstrate inferiority because we are all inferior to the ideals of humanness we have erected.
Men stumble over pebbles, never over mountains.
Fear is a question. What are you afraid of and why? Our fears are a treasure house of self-knowledge if we explore them.