A pupil is a great resource.

Before the reader turns his back upon the Grand Basin once for all, I should like to put a name upon the glacier it contains - since it is the fashion to name glaciers.

Anyone who thinks that the climbing of Denali is a picnic is badly mistaken.

There can be no possible question that cold is felt much more keenly in the thin air of nineteen thousand feet than it is below.

One cannot conceive of grander burial than that which mighty mountains bend, crack and shatter to make. Or a nobler tomb than the great upper basin of Denali.

We took a straight course up the great snow ridge.

You are not a note in a symphony

At first parenthood was as I had expected, exhausting, sometimes heinous, and occasionally divine. I held my children close enough to feel them breathe, laugh, swallow.

I've had a wonderful experience here at Penn State.

This country's going to have a revolution if something doesn't happen the haves and have - nots.

The direction and rhythm of human progress do not depend on the masses, even when they add up to hundreds of millions; they depend on superior minorities.

Life is a constant oscillation between the sharp horns of dilemmas.

Familiarity breeds contempt. How accurate that is. The reason we hold truth in such respect is because we have so little opportunity to get familiar with it.

Some day the workers will take possession of your city hall, and when we do, no child will be sacrificed on the altar of profit!

The universe's destiny has very little to do with the near-term destiny of Earth.