One of Keller’s most practical lessons involves eliminating the word "should." "He should be nicer." "The company should give me a raise." "Life should be fair." The word "should" is a weapon of self-torture because it implies an external standard that reality is failing to meet. Replace "should" with "could" or accept what is. When you stop fighting reality, you free up energy to change it.
Jeff Keller Published: 1999 (revised 2012) Verdict in a sentence: A deceptively simple, parable-light manifesto arguing that your thoughts shape your attitudes , which shape your actions , which ultimately shape your reality. Attitude Is Everything By Jeff Keller
The central thesis of the book is simple, yet radical: which shape your actions