Is the earth round or flat? Some are split on what is considered true on this point. Therefore, what some consider 'true' or truth is not.
Aristotle, Newton, and Einstein each offered explanations for the phenomena. Which one was right?
Truth - the ball falls. Aristotle, Newton and Einstein had differing views as to why - each with greater knowledge - yet the truth was still the ball falls.
Yes, the ball falls. We can at least agree on that truth, however trivial it may be.