перевод на английский "нельзя сидеть сложа руки и ждать пока все образуется само собой"

Nobody should stand still waiting his deal will go properly by itself.

You shouldn't sit on your hands and wait until everything comes right by itself.
One cannot sit without lifting a finger until everithing turns out all right by itself.

You can't just sit and wait for it to happen, you should put some effort to it.

you can not sit back and wait until everything is formed by itself.

сидеть сложа руки - это устойчивое словосочетание переводится, как "sit back "