Bertrand was, therefore, released for the purpose, upon his solemn promise that he would conduct himself properly.

Well, I rely upon your promise.

Firstly when you reneged upon your promise to reform the voting system and instead clung onto FPTP for the sake of staying in power.

"Duncan Innes had promised us a great deal in that way-but in the end, he was obliged to renege upon his promise."

For Olivier had promised that he would not leave without spending some time leisurely with Cadfael, and upon Olivier's promise the heart could rest secure.

So did I mine, to build upon a foolish woman's promise.

Ahead, the Grail hung in the black sky, just out of reach, as though daring him to take the final step and throw himself upon its promise.

His absence, sir, Lays blame upon his promise.

Upon his promise to appear at the next term of court he was released.

Then you shall go free upon your promise never to bear arms against the Emperor of Pellucidar again!