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

Sometimes when you innovate, you make mistakes. It is best to admit them quickly, and get on with improving your other innovations.

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

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

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

You have to accept whatever comes and the only important thing is that you meet it with courage and with the best that you have to give.

Knowing your own darkness is the best method for dealing with the darknesses of other people.

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

I will do my best. That is all I can do. I ask for your help - and God's.

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