Related:

• The doing evil to avoid an evil cannot be good. -- Samuel Taylor Coleridge
• And the Lord God said, "Behold, the man is become as one of us, to know good and evil
  and now, lest he put forth his hand, and take also of the tree of life, and eat, and live forever, we must send him forth....
• The Tree of Learning bears the noblest fruit, but noble fruit tastes bad.
• The tree of resentment often delivers the fruit of criticism to the listener.
• This is the curse of every evil deed That, propagating still, it brings forth evil. -- Southey
• One that would have the fruit must climb the tree. -- Thomas Fulle