Assertive

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

Quotes:
• The university is our culture’s assertion that what is made by the mind has value and can convey values. — Angelo Bartlett “Bart” Giamatti (1938–1989) American English
• 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]