Where the laws are not supreme, there demagogues spring up.
We can't learn without pain.
We give up leisure in order that we may have leisure, just as we go to war in order that we may have peace.
Youth is easily deceived because it is quick to hope.
In educating the young we steer them by the rudders of pleasure and pain
A body in motion can maintain this motion only if it remains in contact with a mover.