“Let us . . . cherish, therefore, the means of knowledge. Let us dare to read, think, speak, and write. . . .” –John Adams, A Dissertation on the Canon and Feudal Law 
Bartlett, J., & Beck, E. M. (1980). Familiar quotations : A collection of passages, phrases, and proverbs traced to their sources in ancient and modern literature (15th and 125th anniversary ed., rev. and enl. ed.). Boston, MA: Little Brown.
Here’s wishing you and yours a safe and happy 4th!