Human beings are cursed not to learn from others mistake. We will burn our fingers to learn. The old adage said, 'Learn from others mistakes as you may not have time to commit all of them yourself'
Here a saying from Jesus:
'The Heavenly Father warned Adam & Eve not to eat the apple. If you do the snake will poison you'.
There is a deep import of wisdom in it.
The true meaning of Lord Jesus saying is:
The God told Adam & Eve, 'I have made you out of me and hence you are divine. You have all my powers and have to be very responsible to retain this power.
The apple here means 'Worldly ephemeral pleasures of life'. God said 'Don't succumb to pleasures of life; if you do you will loose all my powers'.
The serpent is the Kundali energy that sleeps in Muladhara chakra which is the sex centre. God said, 'If you eat the apple you will get trapped in creating human only through sex'.
This means you will never raise beyond any experiences higher than sex. Adam & Eve broke the promise and we are in perennial sins as they are our fore fathers.
Remember that "You are divine in Human form". Realizing this truth is spirituality.