A new idea comes suddenly and in a rather intuitive way, but intuition is nothing but the outcome of earlier intellectual experience.

It is an outcome of faith that nature-as she is perceptible to our five senses-takes the character of such a well formulated puzzle.

One feels the insignificance of the individual, and it makes one happy.

The ideals which have always shone before me and filled me with the joy of living are goodness, beauty, and truth. To make a goal of comfort or happiness has never appealed to me; a system of ethics built on this basis would be sufficient only for a herd of cattle.

We cannot solve our problems with the same thinking we used when we created them.

Rejoice with your family in the beautiful land of life.

The ancients knew something, which we seem to have forgotten.