It is no monopoly in any other sense than as a man's own house is a monopoly. But a man's right to his own invention is a very different matter. It is no more a monopoly for him to possess that, than to possess his own homestead .

Man is a special being, and if left to himself, in an isolated condition, would be one of the weakest creatures; but associated with his kind, he works wonders.

It is simple to follow the easy and familiar path of personal ambition and private gain. It is more comfortable to sit content in the easy approval of friends and of neighbours than to risk the friction and the controversy that comes with public affairs. It is easier to fall in step with the slogans of others than to march to the beat of the internal drummer - to make and stand on judgements of your own. And it far easier to accept and to stand on the past, than to fight for the answers of the future

No power but Congress can declare war; but what is the value of this constitutional provision, if the President of his own authority may make such military movements as must bring on war? ... [T]hese remarks originate purely in a desire to maintain the powers of government as they are established by the Constitution between the different departments, and hope that, whether we have conquests or no conquests, war or no war, peace or no peace, we shall yet preserve, in its integrity and strength, the Constitution of the United States.

Mind is the great lever of all things; human thought is the process by which human ends are ultimately answered; and the diffusion of knowledge, so astonishing in the last half-century, has rendered innumerable minds, variously gifted by nature, competent to be competitors or fellow-workers on the theatre of intellectual operation.

The inherent right in the people to reform their government, I do not deny; and they have another right, and that is to resist unconstitutional laws without overturning the government.

The Constitution was made to guard the people against the dangers of good intentions