“I like the scientific spirit—the holding off, the being sure but not too sure, the willingness to surrender ideas when the evidence is against them: this is ultimately fine—it always keeps the way beyond open—always gives life, thought, affection, the whole man, a chance to try over again after a mistake—after a wrong guess.”

“Is it possible, in the final analysis, for one human being to achieve perfect understanding of another?We can invest enormous time and energy in serious efforts to know another person, but in the end, how close can we come to that person’s essence? We convince ourselves that we know the other person well, but do we really know anything important about anyone?”