“I could never be French, I could never become German – I shall always remain American – the essence which is in me is American mysticism.”

Claiming a distinctly American spiritual sensibility · Letter or essay on identity and art

• America
• Identity
• Spirituality

“I feel as if I have seen God for the first time, and find him so nonchalantly solemn.”

Recording awe before the mountain as a quiet encounter with the divine · Letter on the pilgrimage to Katahdin

• God
• Nature
• Wonder

“What I have to express is not handled with words. It must come to the observer. It must carry its influence over the mind of the individual into that region of him which is more than the mind.”

Insisting that art reaches beyond language into deeper experience · Letter to Alfred Stieglitz, 28 September 1913

• Art
• Expression
• Mystery

“The loneliest place in the world is the human heart.”

A stark reflection on emotional isolation and inward experience; the exact source is not consistently documented · Essay collection, commonly cited from Adventures in the Arts

• Despair
• Solitude