John F. Kennedy quotes.

“Ask not what your country can do for you—ask what you can do for your country.”

“Ask not what your country can do for you – ask what you can do for your country.”

“Conformity is the jailer of freedom and the enemy of growth.”

“Change is the law of life. And those who look only to the past or present are certain to miss the future.”

“The cost of freedom is always high, but Americans have always paid it. And one path we shall never choose, and that is the path of surrender, or submission.”

“Forgive your enemies, but never forget their names.”

“The time to repair the roof is when the sun is shining.”

“Physical fitness is not only one of the most important keys to a healthy body, it is the basis of dynamic and creative intellectual activity.”

“We must use time as a tool, not as a couch.”

“The very word 'secrecy' is repugnant in a free and open society and we are as a people inherently and historically opposed to secret societies, to secret oaths, and to secret proceedings.”

“A wall is a hell of a lot better than a war.”

“Leadership and learning are indispensable to each other.”

“Peace is a daily, a weekly, a monthly process, gradually changing opinions, slowly eroding old barriers, quietly building new structures.”

“We choose to go to the moon in this decade and do the other things, not because they are easy, but because they are hard.”

“If anyone is crazy enough to want to kill a president of the United States, he can do it. All he must be prepared to do is give his life for the president's.”

“Mankind must put an end to war or war will put an end to mankind.”

“Communism has never come to power in a country that was not disrupted by war or corruption, or both.”

“When power leads man toward arrogance, poetry reminds him of his limitations. When power narrows the area of man's concern, poetry reminds him of the richness and diversity of existence. When power corrupts, poetry cleanses.”

“Let us never negotiate out of fear. But let us never fear to negotiate.”