If its evolutionary theory youre after then look no further than englands own egg head charles darwin this quote design speaks the truth respond to change and youll be ok design copyrighted by push merchandisingt shirt design reads its not the strongest species that survive nor the most intelligent but the ones most responsive to change charles darwin 1809 1882our crew neck short sleeved mens t shirts are 100 premium cotton in a soft pre shrunk jersey knit our womens t shir