I do not believe that a moral philosophy can ever be founded on a scientific basis. … The valuation of life and all its nobler expressions can only come out of the soul’s yearning toward its own destiny. Every attempt to reduce ethics to scientific formulas must fail. Of that I am perfectly convinced.

Mere praise of peace is easy and ineffective. What is needed is acitve participation in the fight against war and everything which leads to it.

I believe that we don't need to worry about what happens after this life, as long as we do our duty here-to love and to serve.

Imagination is everything. It is the preview of life's coming attractions.

The most difficult part about understanding something is that we understand it all.

All means prove but blunt instruments, if they have not behind them a living spirit.

The most precious things in life are not those you get for money.