Exodus 19:23

Overview - Exodus 19
1	The people arrive at Sinai.
3	God's message by Moses unto the people out of the mount.
8	The people's answer returned again.
9	The people are prepared against the third day, for the giving of the law.
12	The mountain must not be touched.
16	The fearful presence of God upon the mount.

Exodus 19:23  (King James Version)
And Moses said unto the LORD, The people cannot come up to mount Sinai: for thou chargedst us, saying, Set bounds about the mount, and sanctify it.