There are many people saying that "Life is too short". In fact "Life is too short to wait!" There are differences between the two saying. The first shows a deep meaning of hopelessness and desperate.  When you believe in it, you will not be able to enjoy your life as much as you can. Moreover, you will always think to hurry up doing everything and not enjoying every single day. You will not be able to enjoy every second time with your friends and family . That's why i don't really believe in that quote. The other quote "Life is too short to wait" encourage you to exploit every single day without wasting. Wasting time is one of the losers' characters. I think this quote is helping you to succeed in your life. In addition, help you reach high stages.