We have to believe in free-will. We've got no choice.

You must believe in free will; there is no choice

We must believe in free will, we have no choice

We must believe in free will, we have no choice.

It's a free will choice. No one can be entered (into a trial) without their informed consent, and that means all known side effects will be listed.

There will be no justice as long as man will stand with a knife or with a gun and destroy those who are weaker than he is.