A President's hardest task is not to do what is right, but to know what is right.

I seldom think of politics more than eighteen hours a day.

Of all the problems of conservation, none is more urgent that the polluted air which endangers the American people. We have been fortunate so far. But we have seen that when winds fail to blow, the concentrations of poisonous clouds over our cities can become perilous.

I believe in the American tradition of separation of church and state which is expressed in the First Amendment to the Constitution. By my office - and by personal conviction - I am sworn to uphold that tradition.

Many have no happier moments than those that they pass in solitude, abandoned to their own imagination, which sometimes puts sceptres in their hands or miters on their heads, shifts the scene of pleasure with endless variety, bids all the forms of beauty sparkle before them, and gluts them with every change of visionary luxury.

Voting is the first duty of democracy.

Poverty must not be a bar to learning and learning must offer an escape from poverty.