Found and copied from somewhere...and now enhanced with reference from Wikipedia

The text in bold are the updated ones.

Cardinal Signs:

Aries (I Am) and Libra (I Weigh/I Balance), Cancer (I Feel) and Capricorn (I Master + I Use)

Fixed Signs:
Taurus (I Have) and Scorpio (I Control + I Desire), Leo (I Create + I Will) and Aquarius (I Universalise + I Know)

Mutable Signs:
Gemini (I Communicate + I Think) and Sagittarius (I Philosophize + I Perceive), Virgo (I Serve + I Analyse) and Pisces (I Believe)

Fire Symbols: Aries, Leo, Sagittarius
Earth Symbols: Taurus, Virgo, Capricorn
Air Symbols: Gemini, Libra, Aquarius
Water Symbols: Cancer, Scorpio, Pisces