Definitions: (1) stating positively; affirming; declaring with assurance; (2) bold; confident; (3) demonstrating the existence of <asserting his rights>

Synonyms: aggressive, aver, avow

Balancing Qualities: Gentleness, Understanding 

Too Far: intrusive, obnoxious, rude

Quote: To suppose more than one supreme Source of infinite wisdom, power, and all perfections, is to assert that there is no supreme Being in existence. — Adam Clarke (1762–1832) British theologian

Symbol: a flag [raised above on a pole]