Vices are their own punishment
While I see many hoof marks going in, I see none coming out. It is easier to get into the enemy's toils than out again.
Beware lest you lose the substance by grasping at the shadow.
The hero is brave in deeds as well as words.
The level of our success is limited only by our imagination and no act of kindness, however small, is ever wasted.
If we really want something done, it is best to do it ourselves.