The power to wage war is the power to wage war successfully.

When we deal with questions relating to principles of law and their applications, we do not suddenly rise into a stratosphere of icy certainty.

The liberty of the press is not confined to newspapers and periodicals. It necessarily embraces pamphlets and leaflets.

When we lose the right to be different, we lose the privilege to be free.

We [the Government] are here not as masters but as servants, we are not here to glory in power, but to attest our loyalty to the commands and restrictions laid down by our sovereign, the people of the United States, in whose name and by whose will we exercise our brief authority.

Emergency does not increase granted power or remove or diminish the restrictions imposed upon power granted or reserved. The Constitution was adopted in a period of grave emergency. Its grants of power to the federal government and its limitations of the power of the States were determined in the light of emergency, and they are not altered by emergency.

We are under a Constitution, but the Constitution is what the judges say it is, and the judiciary is the safeguard of our property and our liberty and our property under the Constitution.