Stephen R. Covey book First Things First
Source: First Things First (1994), p. 169
Stephen Richards Covey was an American educator, author, businessman, and keynote speaker. His most popular book is The 7 Habits of Highly Effective People. His other books include First Things First, Principle-Centered Leadership, The 7 Habits of Highly Effective Families, The 8th Habit, and The Leader In Me — How Schools and Parents Around the World Are Inspiring Greatness, One Child at a Time. In 1996, Time magazine named him one of the 25 most influential people. He was a professor at the Jon M. Huntsman School of Business at Utah State University at the time of his death. Wikipedia

Stephen R. Covey book First Things First
Source: First Things First (1994), p. 169
“Management is doing things right; leadership is doing the right things.”
Stephen R. Covey book The Seven Habits of Highly Effective People
Peter Drucker, and Warren Bennis, as quoted by Covey, in The Seven Habits Of Highly Effective People (1989), this has sometimes become misattributed to him.
Misattributed
Stephen R. Covey book The 8th Habit: From Effectiveness to Greatness
Source: The 8th Habit : From Effectiveness to Greatness (2004), p. 62
“There will be real happiness, peace of mind and balance, when living by heart and right-mindedly.”
Stephen R. Covey book First Things First
First Things First (1994), Disputed
“Change happens at the speed of trust. (cf. The SPEED of Trust, 2008)”
Stephen R. Covey book First Things First
First Things First (1994), Disputed
“Our choices make the legacy to our children.”
Stephen R. Covey book First Things First
First Things First (1994), Disputed
Stephen R. Covey book First Things First
First Things First (1994), Disputed
Source: Stephen Covey Official Facebook page https://www.facebook.com/photo/?fbid=374674680694534&set=a.310931753735494