What is God's name?

My 7 year old nephew recently said to me confidently, 'I know God's name.'
I looked at him interested and said, 'Ohh ok. What's his name?'
'William.'
'William?'
'Yep.'
'How'd you find that out?'
'Google.'
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We met some friends tonight for dinner. As we were eating dinner together at their house, I said appreciatively, 'You can't get Lasagna like this at the shops.'
The reply came, 'Ahh, yes you can. This Lasagna came from the shops.'
Awkward silence...
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Nothing ahead of you is bigger or stronger than the power of God behind you. 'Be strong in the Lord and in his mighty power' (Eph 6:10).