Isaac called on God by name.
yes lord! we can call you by name! we can talk to you, because you are a PERSONAL God! thank you lord! that you are WITH US! thank you lord that you CARE, WE ARE NEVER ALONE, and YOU are the REAL SOLUTION OF JOY in our hearts and minds! thank you lord that with you we can REJOICE, we can be JOYFUL, we can be HAPPY! thank you lord that our real ENCOURAGEMENT and HEARTSTRING is YOU! YOU overcome our sadness, YOU overcome our loneliness, because you are not just some distant force that deals with us from an inaccessible throne, you are PERSONAL and we can call on you BY NAME! so we do, lord! thank you God, thank you!