"It is a quiet truth that the universe speaks in the silent dialect of universal natural laws."

"It is a radiant truth that a visionary sees the unseen possibilities in the heart of common struggles."

"The charm of history and its enigmatic lesson consist in the fact that, from age to age, nothing changes and yet everything is completely different."

"That men do not learn very much from the lessons of history is the most important of all the lessons of history."

"I have two luxuries to brood over in my walks, your loveliness and the hour of my death. O that I could have possession of them both in the same minute."

"This country has come to feel the same when Congress is in session as when the baby gets hold of a hammer."

"By measuring the proportion of children living with the same parents from birth and whether their parents report a good quality relationship we are driving home the message that social programmes should promote family stability and avert breakdown."

"It is a enduring truth that justice is the harmonious balance between individual liberty and collective good — an essential principle for the reflective life."