If you can dream it, you can do it.
Always desire to learn something useful.
Things do not happen. Things are made to happen.
Problems are not stop signs, they are guidelines.
What you do today can improve all your tomorrows.
Only the educated are free.
Be thine own palace, or the world's thy jail.
Be gentle to all and stern with yourself.
Who seeks shall find.
Begin to be now what you will be hereafter.
Intensity like signal strength will generally fall off with distance from the source, although it also depends on the local conditions and the pathway from the source to the point.