In Context

11 And be ready against the third day: for on the third day the LORD will come down in the sight of all the people upon mount Sinai.

12 And thou shalt set bounds to the people round about, saying, Take heed to yourselves, that ye go not up upon the mount, or touch the border of it: whoever toucheth the mount shall be surely put to death:

13 There shall not a hand touch it, but he shall surely be stoned or shot through: whether it be beast or man, it shall not live: when the trumpet soundeth long, they shall come up to the mount.

14 And Moses went down from the mount to the people, and sanctified the people; and they washed their clothes.

15 And he said to the people, Be ready against the third day: come not at your wives.

16 And it came to pass on the third day in the morning, that there were thunders and lightnings, and a thick cloud upon the mount, and the voice of the trumpet exceeding loud; so that all the people that were in the camp trembled.

Exodus 19:14 in Other Translations