Someone else doesn't have to be wrong for you to be right.
What you do every day matters more than what you do every once in a while. Read The Power of Habit.
You cannot change what you refuse to confront.
Every single thing that has ever happened in your life is preparing you for a moment that is yet to come.
Don't think of cost. Think of value.
In life, if you don't risk anything, you risk everything.