To use the same words is not a sufficient guarantee of understanding; one must use the same words for the same genus of inward experience; ultimately one must have one's experiences in common.

When words are scarce they are seldom spent in vain.

Words spoken cannot be recalled so think twice before you speak.

Understanding is the heartwood of well-spoken words.

Words build bridges into unexplored regions.

Talking is a hydrant in the yard and writing is a faucet upstairs in the house. Opening the first takes the pressure off the second.