By faith he kept the Passover and the application of blood, so that the destroyer of the firstborn would not touch the firstborn of Israel.
NIV
By faith (simple trust and confidence in God) he instituted and carried out the Passover and the sprinkling of the blood [on the doorposts], so that the destroyer of the firstborn (the angel) might not touch those [of the children of Israel]. [Exod. 12:21-30.]AMP
Through faith he kept the passover, and the sprinkling of blood, lest he that destroyed the firstborn should touch them.
KJV
Reflect on what I am saying, for the Lord will give you insight into all this.
NIV
Think over these things I am saying [understand them and grasp their application], for the Lord will grant you full insight and understanding in everything.
AMP
Consider what I say; and the Lord give thee understanding in all things.
KJV