"Fear not the path of Truth for the lack of People walking on it."

"A revolution is coming – a revolution which will be peaceful if we are wise enough; compassionate if we care enough; successful if we are fortunate enough – but a revolution which is coming whether we will it or not. We can affect its character; we cannot alter its inevitability.[Report to the United States Senate on his trip to Latin America and the Alliance for Progress, May 9-10 1966]"

"This world demands the qualities of youth; not a time of life but a state of mind, a temper of the will, a quality of the imagination, a predominance of courage over timidity, of the appetite for adventure over the life of ease."

"The sharpest criticism often goes hand in hand with the deepest idealism and love of country."