Scrum: The Art of Doing Twice the Work in Half the Time

by Jeff Sutherland

planning for combat is important, but as soon as the first shot is fired, your plans go up in smoke.

80 percent of the value in any piece of software is in 20 percent of the features.

Time makes up your life, so wasting it is actually a slow form of suicide.

I love this and should try to remember it everyday!