Free Speech Is about the Search for Truth, Not a Benevolence to Others

"It is made to appear that, whereas each man claims his freedom as a matter of right, the freedom he accords to other men is a matter of toleration. Thus, the defense of freedom of opinion tends to rest not on its substantial, beneficial, and indispensable consequences, but on a somewhat eccentric, a rather vaguely benevolent, attachment to an abstraction."