Man's most human characteristic is not his ability to learn, which he shares with many other species, but his ability to teach and store what others have developed and taught him.

It is not until science has become a discipline to which the research ability of any mind from any class in society can be attracted that it can become rigorously scientific.

For the human species to evolve, the conversation must deepen.

the people of one nation alone cannot save their own children; each holds the responsibility for the others' children.

Interest and proficiency in almost any one activity-swimming, boating, fishing, skiing, skating-breed interest in many more. Once someone discovers the delight of mastering one skill, however slightly, he is likely to try out not just one more, but a whole ensemble.

the task of each family is also the task of all humanity. This is to cherish the living, remember those who have gone before, and prepare for those who are not yet born.

As the traveler who has once been from home is wiser than he who has never left his own doorstep, so a knowledge of one other culture should sharpen our ability to scrutinize more steadily, to appreciate more lovingly, our own.