Rather than shrinking away from your problems, grow bigger than them.
Sometimes adversity is what you need to face in order to [grow and] become successful. For that reason it makes sense to be grateful for adversities that help you grow, even if it is only in understanding and compassion for other's suffering.
When you make a mistake, be excited! Analyze what happened, and learn from it.
Success must never be measured by how much money you have.
You measure success by how much good you do for others.
Be there for your kids. Later, when you need them, they'll be there for you.