Exo 5:2 And Pharaoh said, Who is YHWH, that I should obey his voice to let Israel go? I know not YHWH, neither will I let Israel go.
KNOW H3045
Original: ידע
Transliteration: yâda‛
Phonetic: yaw-dah'
BDB Definition:
to know
(Qal)
to know
to know, learn to know
to perceive
to perceive and see, find out and discern
to discriminate, distinguish
to know by experience
to recognise, admit, acknowledge, confess
to consider
Pharaoh acknowledges that He doesn't KNOW YHWH and therefore will NOT OBEY HIS VOICE
Even Pharaoh recognizes that if you KNOW YHWH you should OBEY HIS VOICE.
Know YHWH = Obeying His Voice.
Obeying His voice is doing what He says to do by keeping His commandments.
1 Cor. 7:19 Circumcision is nothing, and uncircumcision is nothing, but the keeping of the commandments of YHWH
1John 5:3 For this is the love of Elohim, that we keep his commandments: and his commandments are not grievous.
Rev 22:14 Blessed are they that do his commandments, that they may have right to the tree of life, and may enter in through the gates into the city.