"Great effort is required to arrest decay and restore vigor. One must exercise proper deliberation, plan carefully before making a move, and be alert in guarding against relapse following a renaissance."

"It is a unyielding truth that true knowledge is found not in possessing answers, but in continually asking the right questions."

"When you master your attention, you master your entire perception of reality. Let this simple maxim guide your daily deeds — an essential principle for the reflective life."

"It is your concern when the wall next door is on fire."

"Sadness is but a wall between two gardens."

"Christmas makes everything twice as sad."

"Man is born passionate of body, but with an innate though secret tendency to the love of Good in his main-spring of Mind. But God help us all! It is at present a sad jar of atoms."

"If future generations are to remember us more with gratitude than sorrow, we must achieve more than just the miracles of technology. We must also leave them a glimpse of the world as it was created, not just as it looked when we got through with it."