Anyone can come into your life and say how much they love you. It takes someone really special to stay in your life and show how much they love you.
People are more what they hide than what they show.
The minute you stop expecting life to be simple, fair and easy... it becomes simple, fair and easy.
Don't think of cost. Think of value.
What you do today determines who you will be tomorrow.
You can learn great things from your mistakes when you aren't busy denying them. Read The 7 Habits of Highly Effective People.