I feel we must all exert ourselves to the utmost to see that the ideals and hopes held by Alfred Nobel, whom we commemorate today, do not fail from lack of purpose on the part of scientists.
Perhaps the most useful lesson which has come out of the work on penicillin has been the demonstration that success in this field depends on the development and coordinated use of technical methods.
Apart from the scientific interest attached to my various journeyings, it has been made clear to me that human needs and aspirations differ little the world over and that no great difficulties arise in one race dealing with another when matters of scientific importance are involved.
