A tennis player returning a ball using a backhand stroke.

Backhand

A tennis player returning a ball using a backhand stroke.

A tennis player returning a ball using a forehand stroke.

Forehand

A tennis player returning a ball using a forehand stroke.

A tennis player returning a ball using a half-volley stroke.

Half-volley

A tennis player returning a ball using a half-volley stroke.

"And she had a sister called Mary, who also sat at the Lord's feet, and heard his word. But Martha was cumbered about much serving; and she came up to him, and said, Lord, dost thou not care that my sister did leave me to serve alone? bid her therefore that she help me. But the Lord answered and said unto her, Martha, Martha, thou art anxious and troubled about many things: but one thing is needful: for Mary hath chosen the good part, which shall not be taken away from her." Luke 10:39-42 ASV
<p>Illustration of Mary sitting at Jesus feet, listening to him speak, while her sister Martha runs around the house, serving people. Martha is on the left, holding a tray. Three men and one woman stand behind columns and listen to Jesus. There is a small table with cups and a pitcher on it.

Jesus Tells Martha to Stop Worrying and Be More like Mary

"And she had a sister called Mary, who also sat at the Lord's feet, and heard his word. But Martha was…

A tennis player serving the ball in to play.

Serving

A tennis player serving the ball in to play.

"A semicylindrical piece of wood, fitted with a handle...used for convenience in serving ropes...to prevent chafing. a, serving-mallet; b, 'wormed' rope 'parceled' with canvas; c, serving-yarn." -Whitney, 1911

Serving Mallet

"A semicylindrical piece of wood, fitted with a handle...used for convenience in serving ropes...to…

Man demonstrating the underhand serve.

Tennis

Man demonstrating the underhand serve.

Man demonstrating the overhand serve.

Tennis

Man demonstrating the overhand serve.