God is the greatest communicator, always revealing exactly what He wants us to know about Himself, about one another, and about the world around us. Romans 1:20 gives assurance that every person in the world can know that God exists:

When the plain sense makes common sense, seek no other sense.
-- M. R. De Haan (1891-1965), Founder of the Radio Bible Class

"And his master saw that the LORD was with him, and that the LORD made all that he did to prosper in his hand." (Genesis 39:3)

"But the midwives feared God, and did not as the king of Egypt commanded them, but saved the men children alive." (Exodus 1:17)

Ever learning, and never able to come to the knowledge of the truth. (2 Timothy 3:7)

O Daniel, shut up the words, and seal the book, even to the time of the end: many shall run to and fro, and knowledge shall be increased. (Daniel 12:4)