Problems are not stop signs, they are guidelines.
What you do today can improve all your tomorrows.
Only the educated are free.
The wise does at once what the fool does at last.
Never complain and never explain.
Go for it now. The future is promised to no one.
Begin to be now what you will be hereafter.
I can, therefore I am.
Be thine own palace, or the world's thy jail.
Always desire to learn something useful.
As my dad said, you have an obligation to leave the world better than how you found it. And he also reminded us to be givers in this life, and not takers.