We are pretty fickle creatures, aren't we? (nakedpastor.com)
Seldom do games that have been around for a number of years retain a ravenous following and gamers are often fickle creatures. (goodereader.com)
People can be very fickle creatures so the best way to make a habit out of spending less than you earn is to make it impossible to spend more in the first place. (thebrokeprofessional.com)