In Context

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

12 And you shall set bounds to the people round about, saying, Take heed to yourselves, that you go not up into the mount, or touch the border of it: whoever touches the mount shall be surely put to death:

13 There shall not an 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 sounds 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 lightning, and a thick cloud on the mount, and the voice of the trumpet exceeding loud; so that all the people that was in the camp trembled.

Exodus 19:14 in Other Translations