76.) "Always be the worst guy in every band you're in."

In his phenomenal book of career advice, The Passionate Programmer: Creating a Remarkable Career in Software Development, Chad Fowler cites this nugget of wisdom from jazz guitarist Pat Metheny as a key principal for becoming a great programmer, adding "The people around you affect your own performance. Choose your crowd wisely." 

Surrounding yourself with more experienced co-workers and collaborators, rather than insisting on always being the smartest person in the room, is the best way of setting yourself on a trajectory of life-long self-improvement.