The First Amendment of the United States Constitution in granting freedom of religion and the right to practice unhindered, freedom of speech and freedom of the press, guarantees the right of every person to seek and receive information from all points of view without restriction or prohibition.
Amendment I
Congress shall make no law respecting an establishment of religion, or prohibiting the free exercise thereof; or abridging the freedom of speech, or of the press; or the right of the people peaceably to assemble, and to petition the Government for a redress of grievances.
The Constitution of the United States, Bill of Rights, Declaration of Independence, and Articles of Confederation by 
The Penguin Guide to the United States Constitution by 
The United States Constitution by