Whoever happens to give birth to mischievous children lives always with unending grief in his spirit and heart.
—Hesiod (c. 8th century B.C.)
Union of Religious Sentiments begets a surprising confidence and Ecclesiastical Establishments tend to great ignorance and corruption, all of which facilitate the Execution of mischievous Projects.
—James Madison (1751–1836)
Individualism, pushed to anarchy, in the family is as ill- founded theoretically and as mischievous practically as it is in the State; while extreme regimentation is a certain means of either destroying self-reliance or of maddening to rebellion.
—Thomas Henry Huxley (1825–95)