Above picture shown a conjunction emage of snake and eagle.

SNAKE:Associated with your natural instinct. look at snake.snake lives on just eating eating eating. .
and bound to earth.

EAGLE:free to fly.associated with human spirit.

but due to instinct driven. people hardly know theirs spirit.
and conflict between spirit and natural instinct takes place inside the heart of human.
I mean heart, don’t take it letral meaning. just refer to something depth inside you.