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.

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

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.

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

A child from the age of 2 or 3 absorbs what is in the environment and what generates hatred for anyone perceived to be different.

I should thank Mussolini for having declared me to be of an inferior race. This led me to the joy of working, not any more unfortunately, in university institutes but in a bedroom.

I say to the young, be happy that you were born in Italy because of the beauty of the human capital, both masculine and feminine, of this country... No other country has such human capital.