'Looks' in the Bible

But I say to you that whoever looks at a woman to desire her has already committed adultery with her in his heart.

Jesus said to him, "No one who puts his hand to the plow and looks back is fit for the kingdom of God."

As the crowds were increasing, Jesus began to say, "This generation is a wicked generation; it looks for a sign, but no sign will be given to it except the sign of Jonah.

For this is the will of my Father -- for everyone who looks on the Son and believes in him to have eternal life, and I will raise him up at the last day."

Some people said, "This is the man!" while others said, "No, but he looks like him." The man himself kept insisting, "I am the one!"