Here are a collection of principles organized by topic. Our life should be guided by good principles, not by whim, local optimization, expediency, or at the expense of others. You may recognize many of these sayings (which have been around longer than any of us have), but some of the newer ones are from Stephen R. Covey's two books "The Seven Habits of Highly Effective People," and "Principle Centered Leadership".

Truth

Diligence

Time Management and Scheduling

Love

Timeliness

Priorities

Wisdom

Actions

Personal Improvement