Success and failure in our own national economy will hang upon the degree to which we are able to work with races and nations whose social order and whose behavior and attitudes are strange to us.

The trouble is not that we are never happy-it is that happiness is so episodical.

I haven't strength of mind not to need a career.

No one culture has ever developed all human potentialities; it has always selected certain capacities, mental and emotional and moral, and stifled others. Each culture is a system of values which may well complement the values in another.

The life-history of the individual is first and foremost an accommodation to the patterns and standards traditionally handed down in his community. From the moment of his birth the customs into which he is born shape his experience and behavior. By the time he can talk, he is the little creature of his culture, and by the time he is grown and able to take part in its activities, its habits are his habits, its beliefs his beliefs, its impossibilities his impossibilities.

The crucial differences which distinguish human societies and human beings are not biological. They are cultural.

We grow in time to trust the future for our answers.