If ye know these things, happy are ye if ye do them.
If you know these things, blessed and happy and to be envied are you if you practice them [if you act accordingly and really do them].
If ye know these things, blessed are ye if ye do them.
Since you know these things, you will be happy if you do them.
If you understand this, you shall be blessed if you will do it.
If you know these things, you shall be blessed if you do them.
