Original artwork, not a still
The easy confidence with which I know another man’s religion is folly teaches me to suspect that my own is also.
Behind the line
What it means
Our interpretation.
Twain notices how sure he feels when judging someone else's faith as foolish. That very certainty makes him wonder if his own beliefs deserve the same doubt. It's a wry turn: the mockery he aims outward bounces straight back at him.
Context reviewed
