Undertake not what you cannot perform, but be careful to keep your promise.

In executing the duties of my present important station, I can promise nothing but purity of intentions, and, in carrying these into effect, fidelity and diligence

The technology has not only as much promise, but even more promise than wind energy.

God didn't promise days without pain, laughter without sorrow, sun without rain, but He did promise strength for the day, comfort for the tears, and light for the way.

The world can therefore seize the opportunity to fulfill the long-held promise of a New World Order where diverse nations are drawn together in common cause to achieve the universal aspirations of mankind

I made no threats, that was a promise.