“Aaron and Miriam Complain against Moses, the Most Meek of All Men—the Lord Promises to Speak to Moses Mouth to Mouth and to Reveal to Him the Similitude of the Lord—Miriam Becomes Leprous for a Week”

Numbers 12:2–10, 13–15

2 And they said, Hath the Lord indeed spoken only by Moses? hath he not spoken also by us? And the Lord heard it.
3 (Now the man Moses was very meek, above all the men which were upon the face of the earth.)
4 And the Lord spake suddenly unto Moses, and unto Aaron, and unto Miriam, Come out ye three unto the tabernacle of the congregation. And they three came out.
5 And the Lord came down in the pillar of the cloud, and stood in the door of the tabernacle, and called Aaron and Miriam: and they both came forth.
6 And he said, Hear now my words: If there be a prophet among you, I the Lord will make myself known unto him in a vision, and will speak unto him in a dream.
7 My servant Moses is not so, who is faithful in all mine house.
8 With him will I speak mouth to mouth, even apparently, and not in dark speeches; and the similitude of the Lord shall he behold: wherefore then were ye not afraid to speak against my servant Moses?
9 And the anger of the Lord was kindled against them; and he departed.
10 And the cloud departed from off the tabernacle; and, behold, Miriam became leprous, white as snow: and Aaron looked upon Miriam, and, behold, she was leprous. . . .
13 And Moses cried unto the Lord, saying, Heal her now, O God, I beseech thee.
14 And the Lord said unto Moses, If her father had but spit in her face, should she not be ashamed seven days? let her be shut out from the camp seven days, and after that let her be received in again.
15 And Miriam was shut out from the camp seven days: and the people journeyed not till Miriam was brought in again.

Elder James E. Talmage wrote:

“Consider . . . the affliction that fell upon Miriam, the sister of Moses, a prophetess among the people (see Exodus 15:20). She, with Aaron, railed against Moses, and they said: ‘Hath the Lord indeed spoken only by Moses? Hath he not spoken also by us? And the Lord heard it’ (Numbers 12:2). Jehovah came down in a cloud and stood in the door of the tabernacle, denouncing their presumption and vindicating the authority of His oracle, Moses. When the cloud passed from the tabernacle Miriam was seen to be leprous, white as snow; and according to the law she was shut out from the camp of Israel. However, through the earnest entreaties of Moses, the Lord healed the woman and she was subsequently permitted to return to the company.”

(The Articles of Faith, 12th ed. [1924], 184.)