As for the presence of large NGF [nerve growth factor] sources in snake venom and male genital organs, they may be conceived as instances of bizarre evolutionary gene expression.

The instruments, glassware, and chemical reagents necessary for my project were the same as my 19th-century predecessors had.

You've been thinking about something without willing to for a long time...Then, all of a sudden, the problem is opened to you in a flash and you suddenly see the answer.

My life has been enriched by excellent human relations, work and interests. I have never felt lonely.

It is imperfection - not perfection - that is the end result of the program written into that formidably complex engine that is the human brain, and of the influences exerted upon us by the environment and whoever takes care of us during the long years of our physical, psychological and intellectual development.

Progress depends on our brain. The most important part of our brain, that which is neocortical, must be used to help others and not just to make discoveries.

The process for awarding Nobel prizes is so complex that it cannot be corrupted.