I have a dream that one day this nation will rise up and live out the true meaning of its creed: "We hold these truths to be self-evident: that all men are created equal."
The quality not the longevity of one's life is what is important.
Life's most persistent and urgent question is 'What are you doing for others?'
Our lives begin to end the day we become silent about things that matter.
Imagination is more important than knowledge. For knowledge is limited, whereas imagination embraces the entire world, stimulating progress, giving birth to evolution.