[Personal mastery] means approaching one’s life as creative work, living life from a creative as opposed to a reactive viewpoint.— Peter M. Senge
A careful preparation is half the battle.—Major A.R. Calhoon
How to observe should be the motto, not only in the beginning of our life, but throughout our career.–Russell H. Conwell
… We will have to stay mentally alert and engage during a 50-year work life, which means knowing how and when to change with the work we do.
–HBR’s 10 musut Reads : The Essentials, page 43