“Two contrary reasons. We must begin with that, otherwise we cannot understand anything and everything is heretical. And even at the end of each truth we must add that we are bearing the opposite truth in mind.”

“If we want to set out on the aruous search for the truth, we must all summon up the courage to leave the lines along which we have thought until now and as the first step begin to doubt everything that we previously accepted as correct and true. Can we still afford to close our eyes and stop up our ears because new ideas are supposed to be heretical and absurd?”

“If we want to change something, we must begin with understanding. But if we want to love something, we must begin with acceptance.”

“To be persuasive, We must be believable,To be believable, We must be credible,To be credible, We must be truthful.”

“We must fight their falsehood with our truth, but we must also fight the falsehood in our truth.”

“Truth must be sought at all costs, but separate isolated truths will not do. Truth is like life; it has to be taken on its entirety or not at all. . . . We must welcome truth even if it reproaches and inconveniences us -- even if it appears in the place where we thought it could not be found.”