“A people without the knowledge of their past history, origin and culture is like a tree without roots.”

I measure the progress of a community by the degree of progress which women have achieved.

The universe is change; our life is what our thoughts make it.

When we see men of a contrary character, we should turn inwards and examine ourselves.

The problem of the twentieth century is the problem of the color line.

The only true wisdom is in knowing you know nothing.

You can tell whether a man is clever by his answers. You can tell whether a man is wise by his questions.

I've learned that people will forget what you said, people will forget what you did, but people will never forget how you made them feel.

The Lakota was wise. He knew that man's heart, away from nature, becomes hard; he knew that lack of respect for growing, living things soon led to lack of respect for humans, too.