An effective leader allows exceptions to the rule for exceptional results or when circumstance demands.
Dwelling in the past prevents doing something in the present.
Sincerity may not help us make friends, but it will help us keep them.
If you let social activities take precedence over your academic activities, then you will soon lose your basketball activities.
Kindness makes for much better teamwork.
I believe one of the requirements of good leadership is the ability to listen - really listen - to those in your organization. An effective leader is very good at listening, and it's difficult to listen when you are talking.