I have no dress except the one I wear every day. If you are going to be kind enough to give me one, please let it be practical and dark so that I can put it on afterwards to go to the laboratory.

After all, science is essentially international, and it is only through lack of the historical sense that national qualities have been attributed to it.

In science we must be interested in things, not in persons.

If it takes a hundred years, it will be a pity, but I will not cease to work for it as long as I live.

Life is not easy for any of us. But what of that? We must have perseverance and above all confidence in ourselves. We must believe that we are gifted for something, and that this thing, at whatever cost, must be attained.

I am one of those who think like Nobel, that humanity will draw more good than evil from new discoveries.

It is my earnest desire that some of you should carry on this scientific work and keep for your ambition the determination to make a permanent contribution to science.