This sermon was preached for Trinity Sunday, May 27, 2018 at St. Paul's, Mount Lebanon, PA. The readings for this sermon were: Isaiah 6:1-8 , Romans 8:12-17 , John 3:1-17, and Psalm 29 . Then I heard the voice of the Lord saying, “Whom shall I send, and who will go for us?” And I said, “Here am I; send me!” Every year, the night before the first day of school, my father would enact the same little ritual with each of his three girls at bedtime. Dad would come and sit on the end of our beds and ask my sisters and me the same three questions every year. “What’s your job?” he’d ask. “To learn,” we’d answer. “What’s your teacher’s job?” “To teach.” “How can you make you and your teacher’s jobs easier?” “Ask questions!” we’d all say, sometimes too excited to let our father finish his sentence. And ask questions we did. At my father’s encouragement, we knew that asking questions didn’t mean we were slow or left behind. It wasn’t anything to be embarrassed about. It ...