This principle is old, but true as fate, Kings may love treason, but the traitor hate.
Thomas DekkerI would define, in brief, the poetry of words as the rhythmical creation of beauty.
The Poetic PrinciplePrinciples are guidelines for human conduct that are proven to have enduring, permanent value.
Stephen CoveyThe underlying principles of strategy are enduring, regardless of technology or the pace of change.
Michael Porter