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

All great questions must be raised by great voices, and the greatest voice is the voice of the people - speaking out - in prose, or painting or poetry or music; speaking out - in homes and halls, streets and farms, courts and cafes - let that voice speak and the stillness you hear will be the gratitude of mankind.

If you never quit, youll never fail.

Whenever any American's life is taken by another American unnecessarily - whether it is done in the name of the law or in the defiance of the law, by one man or a gang, in cold blood or in passion, in an attack of violence or in response to violence - whenever we tear at the fabric of the life which another man has painfully and clumsily woven for himself and his children, the whole nation is degraded.

If communist unions ever gain a position to exercise influence in the transport lanes of the world, the free world will have suffered a staggering blow.

Prejudice exists and probably will continue to `but we have tried to make progress and we are making progress. We are not going to accept the status quo.'

Our future may lie beyond our vision, but it is not completely beyond our control. It is the shaping impulse of America that neither fate nor nature nor the irresistible tides of history, but the work of our own hands, matched to reason and principle.