"Stand firm when justice demands it, even if you stand entirely alone. In this truth lies the bedrock of all virtue."

"All philosophical inquiry begins with the humility to admit the limits of knowing. Such is the immutable nature of understanding — an essential principle for the reflective life."

"It is a quiet truth that the richness of existence is found in simple harmonies, not superfluous splendors."

"The roots of genuine insight grow deep in the soil of quiet observation. This remains the cornerstone of personal mastery."

"The only normal people are the ones you don't know very well."

"A promise must never be broken."

"The best books... are those that tell you what you know already."

"Words are not as satisfactory as we should like them to be, but, like our neighbours, we have got to live with them and must make the best and not the worst of them."