Iblis pushed them both away from happiness. And We said: Go
down (to some of the children being those who harbor the hatred to the
other and want evil by it) and there is for you in the earth a dwelling
place and what you enjoy from what he planted for a period of time
passing appointed times.
In whatever environment G-d puts human beings in, He also provides them
with guidance for how to live successfully in that environment, i.e.,
how to use what is in the environment safely while avoiding the
potential harm from the misuse of those things.
Adam was told to not go near the tree in the garden. But while the tree
was created with a purpose and benefit, to go near the tree would be to
misuse it and therefore fall out of the garden.
Similarly, we are to continually seek guidance from G-d to ensure that
we see and benefit from the things in each of our respective
environments while avoiding the potential harm from the misuse of those