We should have known much more than our ancestors.
But if we learn less, we're much more stupid than them.

Many people are smarter than their stupid bosses.

If you're angry at stupid people, you're tempted to join them.

If we presume that the boundary of the universe is a kind of surrounding wall,
then we think like ancestors who thought there's abyss at the edge of flat earth.

If we presume that the boundary of the universe is a kind of surrounding wall, then we think like ancestors who thought there's abyss at the edge of flat earth.

Either they're still naive, or stupid.