Nature provides exceptions to every rule.

High achievement always takes place in the framework of high expectation.

Unhappiness is best defined as the difference between our talents and our expectations.

Nothing is as harmful as expectations.

To appreciate the beauty of a snowflake, it is necessary to stand out in the cold.

Sometimes hath the brightest day a cloud; and after summer evermore succeeds barren winter, with his wrathful nipping cold: so cares and joys abound, as seasons fleet.

I have called this principle, by which each slight variation, if useful, is preserved, by the term Natural Selection.

Waves are inspiring not because they rise and fall, but because each time they fall they never fail to rise again.

I often think that the night is more alive and more richly colored than the day.

Leave the beaten track behind occasionally and dive into the woods. Every time you do you will be certain to find something you have never seen before.

What would be ugly in a garden constitutes beauty in a mountain.

Many men go fishing all of their lives without knowing it is not fish they are after.

Looking at the stars always makes me dream.

Nature never deceives us; it is always we who deceive ourselves.