"He that will not reason is a bigot; he that cannot reason is a fool; and he that dares not reason is a slave."
"He who will not reason, is a bigot; he who cannot is a fool; and he who dares not is a slave."
"I study myself more than any other subject; it is my metaphysic, and my physic."
"Iron sharpens iron; scholar, the scholar."
"Put a bridle on thy tongue; set a guard before thy lips, lest the words of thine own mouth destroy thy peace... on much speaking cometh repentance, but in silence is safety."
"Study what thou art Whereof thou art a part What thou knowest of this art This is really what thou art. All that is without thee also is within."
"There is a silence, the child of love, which expresses everything, and proclaims more loudly than the tongue is able to do."