Proverbs 27:1
Boast not of to-morrow; for thou knowest not what the next day shall bring forth.
Brenton Septuagint
In The King James Version
Boast not thyself of to morrow; for thou knowest not what a day may bring forth.
In Context
2Let thy neighbour, and not thine own mouth, praise thee; a stranger, and not thine own lips.
Cross References
1 Samuel 28:19And the Lord shall deliver Israel with thee into the hands of the Philistines, and to-morrow thou and thy sons with thee shall fall, and the Lord shall deliver the army of Israel into the hands of the Philistines.
Ecclesiastes 8:7For there is no one that knows what is going to be: for who shall tell him how it shall be?