I've also thought this, and I wish people would at least approach the subject with a little bit more humility. It did take evolution 3.5 billion years to do it

I've also thought this, and I wish people would at least approach the subject with a little bit more humility. It did take evolution 3.5 billion years to do it after all, so I'm not sure what makes us think we can do it in a fraction of that time.