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The clearest way into the universe is through a forest wilderness.
~ John Muir
Never does nature say one thing and wisdom another.
~ Juvenal, Satires
The poetry of the earth is never dead.
~ John Keats
Do not look to the ground for your next step; greatness lies with those who look to the horizon.
~ Norwegian Proverb
A man does not climb a mountain without bringing some of it away with him, and leaving something of himself upon it.
~ Sir Martin Conway
And this, our life, exempt from public haunt, finds tongues in trees, books in the running brooks, sermons in stones, and good in everything.
~ William Shakespeare