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 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