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.

If I die tomorrow or in a year, it is the same — it is the message you leave behind you that counts.

I tell young people: Do not think of yourself, think of others. Think of the future that awaits you, think about what you can do and do not fear anything.

At 100, I have a mind that is superior - thanks to experience - than when I was 20.

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.

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.

If I had not been discriminated against or had not suffered persecution, I would never have received the Nobel Prize.