Our death is not an end if we can live on in our children and the younger generation. For they are us; our bodies are only wilted leaves on the tree of life.

One should never impose one's views on a problem; one should rather study it, and in time a solution will reveal itself.

Common sense is nothing more than a deposit of prejudices laid down by the mind before you reach eighteen.

I have never looked upon ease and happiness as ends in themselves. This ethical basis I call the ideal of the pigsty.

It may affront the military-minded person to suggest a regime that does not maintain any military secrets.

The future is an unknown, but a somewhat predictable unknown. To look to the future we must first look back upon the past. That is where the seeds of the future were planted. I never think of the future. It comes soon enough.

I have come to know the mutability of all human relationships and have learned to insulate myself against both heat and cold so that a temperature balance is fairly well assured.