Fyodor Dostoevsky (1821-1881) was a Russian novelist, writer, and philosopher. He often explored questions of psychology, philosophy, and religion. He wrote many acclaimed novels.
Symeon the New Theologian (949-1022 AD) was a Byzantine Christian monk and poet, and was canonized as a saint by the Eastern Orthodox church. He wrote much about Christian mysticism, including his own experiences.
Walt Whitman (1819-1892) was a noted poet, essayist, and journalist, perhaps best known for his collection of poems titled Leaves of Grass. He wrote of divine experiences on several occasions in his poems.
Henry David Thoreau (1817-1862) is widely known as a great 19th century transcendentalist essayist, poet, philosopher, naturalist, and historian, among other things. He is most well-known for his book Walden, and his essay "Civil Disobedience." The following comes from his poem titled "Inspiration."
In 1979 she had an experience while giving a eulogy at the funeral of a friend that forever changed her life. She later called it a "near-death-like" experience, being similar to many NDEs (including one she had earlier in life), but she was not near death at all. She describes it in one place this way...
Sophia von Klingnau was a nun who lived in a convent in Klingnau, Switzerland, sometime in the 13th or 14th century. Her writings were published in the Schwesterbücher (Sister Books).
There is an experience which grows in the soul out of the soul itself, without contact and without restraint, in naked oneness. It comes into being and completes itself beyond the commotion, free of the other, inaccessible to the other. It needs no nourishment, and no poison can touch it. The soul which stands in it stands in itself, has itself, experiences itself - boundlessly.
Crystal clear, sharp and bright, my mind has no opening for evil to roost. The morning sun shines in, My mind, too, is clear and bright;
It pervades the entire universe but nothing pervades it. It is effulgent by nature, and its splendor illumines everything...
i thank You God for most this amazing day: for the leaping greenly spirits of trees and a blue true dream of sky; and for everything which is natural which is infinite which is yes