December 14, 2015 | Leave a comment This principle is one of many in a series of principles taught by Marshall Thurber Theory There are only two mistakes you can make in your life: 1) Act when you should not act 2) Not act when you should act Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on Google+ (Opens in new window)Click to share on LinkedIn (Opens in new window)Click to share on Pinterest (Opens in new window)Click to share on Pocket (Opens in new window)Like this:Like Loading... Related