This one is from a book by Ken Blanchard.
Think back to a leader you had – a parent, teacher, coach or boss who got great performance from you. More than likely, this leader combined toughness and kindness. You knew the person cared about you, but that he or she would not let up on you in the quest for excellence.
If you, as a leader, demand that your people add value to the organization through their work, you must fulfil your end of the bargain by telling the truth and keeping work standards high. This often means sacrificing popularity in your endeavour to do the right thing.
Are you willing to push your people beyond their comfort zone in order to achieve excellence? They might not like what you ask of them, but they will remember you as a leader they respected.