He tells so many lies that he convinces himself after a while that he's telling the truth. He just doesn't recognize truth or falsehood.

When you teach a man to hate and fear his brother, when you teach that he is a lesser man because of his color or his beliefs or the policies he pursues, when you teach that those who differ from you threaten your freedom or your job or your family, then you also learn to confront others not as fellow citizens but as enemies...

The future is not a gift: it is an achievement. Every generation helps make its own future. This is the essential challenge of the present

Only those who dare to fail greatly can ever achieve greatly.

Perhaps to some extent we have lost sight of the fact that LSD can be very, very helpful in our society if used properly.

You're happiest while you're making the greatest contribution.

Every time we turn our heads the other way when we see the law flouted, when we tolerate what we know to be wrong, when we close our eyes and ears to the corrupt because we are too busy or too frightened, when we fail to speak up and speak out, we strike a blow against freedom and decency and justice.