“The best way to predict your future is to create it.” —Abraham Lincoln.

Wait, no. That quote is actually attributed to Peter Drucker.

What he really said was, “You cannot predict your future, but you can create it” (as cited in Drucker on Leadership, 2009).

I have a love/hate relationship with my quote-a-day leadership calendar.

On one hand, it provides bite-sized wisdom from a variety of past and present leaders that I can reflect on throughout the day.

On the other hand, i...