More quotes by John F. Kennedy

"Liberty without Learning is always in peril and Learning without Liberty is always in vain."
"As we express our gratitude, we must never forget that the highest appreciation is not to utter words, but to live by them."
"Once you say you're going to settle for second, that's what happens to you in life."
"The Chinese use two brush strokes to write the word 'crisis.' One brush stroke stands for danger; the other for opportunity. In a crisis, be aware of the danger--but recognize the opportunity."
"Do not pray for easy lives. Pray to be stronger men.[Quoting Reverend Phillips Brooks, during Remarks at Presidential Prayer Breakfast, February 7 1963]"