The usefulness of cow-peas and soy-beans as human food has been recognized only recently in this country.

The ease with which barley may be substituted directly for wheat in human food and its usefulness to replace wheat milling by-products as feed in the production of the milk supply render its abundant production important.

The press briefing today I believe has lost much of its usefulness.

Experiments were not attempted at that time, we did not believe in the usefulness of the concept anyway, and I finished my thesis in 1962 with a feeling like an artist balancing on a high rope without any interested spectators.

Be unselfish. That is the first and final commandment for those who would be useful and happy in their usefulness. If you think of yourself only, you cannot develop because you are choking the source of development, which is spiritual expansion through thought for others.

The need to write comes from the need to make sense of one's life and discover one's usefulness.

I am aware of the usefulness of science to society and of the benefits society derives from it.

The reason why I take my life is because I want to go to my wife and boy. My usefulness in this world is at an end. I can not be satisfied in any business and can not be without their companionship.

Besides, my usefulness here is destroyed because all of my friends think me a man of unsound mind.

A person's worth is quite independent of their usefulness to society.

Guided only by their feeling for symmetry, simplicity, and generality, and an indefinable sense of the fitness of things, creative mathematicians now, as in the past, are inspired by the art of mathematics rather than by any prospect of ultimate usefulness.

It is a remarkable honor to receive a Nobel Prize, because it not only recognizes discoveries, but also their usefulness to the advancement of fundamental science.

It is inevitable that those to whom is vouchsafed a long life of usefulness should outlive the friends of their youth.