Prov.27.1

Boast not thyself of to morrow; for thou knowest not what a day may bring forth.

Prov.27.1

Don't brashly announce what you're going to do tomorrow; you don't know the first thing about tomorrow.

Prov.27.1

Do not boast about tomorrow, for you do not know what a day may bring forth.

Prov.27.1

Do not boast about tomorrow, For you do not know what a day may bring forth.