In the practice of tolerance, one's enemy is the best teacher.

The best way to keep one's word is not to give it.

It's a funny thing about life if you refuse to accept anything but the best, you very often get it.

It was the best of times, it was the worst of times.

The only real failure in life is not to be true to the best one knows.

The best road to progress is freedom's road.

Since we live in this world, we have to do our best for this world.

Our goal is to make the best devices in the world, not to be the biggest.

I do the very best I know how - the very best I can and I mean to keep on doing so until the end.

It is no use saying, 'We are doing our best.' You have got to succeed in doing what is necessary.