The guarantees of civil liberty are but guarantees of freedom of the human mind and spirit and of reasonable freedom and opportunity to express them...The very essence of the liberty which they guarantee is the freedom of the individual from compulsion as to what he shall think and what he shall say...

The right to participate in the choice of representatives for Congress includes, as we have said, the right to cast a ballot and to have it counted at the general election whether for the successful candidate or not.

History teaches us that there have been but few infringements of personal liberty by the state which have not been justified, as they are here, in the name of righteousness and the public good, and few which have not been directed, as they are now, at politically helpless minorities.

Words, especially those of a constitution, are not to be read with such stultifying narrowness.

The [tenth] amendment states but a truism that all is retained which has not been surrendered.

The law itself is on trial quite as much as the cause which is to be decided.

To say that only those businesses affected with a public interest may be regulated is but another way of stating that all those businesses which may be regulated are affected with a public interest.