A well-educated mind will always have more questions than answers.

Each day comes to me with both hands full of possibilities.

No nation is wise enough to rule another.

I have depended on books not only for pleasure and for the wisdom they bring to all who read, but also for that knowledge which comes to others through their eyes and their ears.

It is with a kind of fear that I begin to write the history of my life.

The highest thinkers of the ages, the seers of the tribes and the nations, have been optimists.

When one door of hapiness closes, another opens.