“Once a day, especially in the early years of life and study, call yourselves to an account what new ideas, what new proposition or truth you have gained, what further confirmation of known truths, and what advances you have made in any part of knowledge.”

“For we have never actually understood the revolutionary sense beneath them – the incredible truth that what religion calls the vision of God is found in giving up any belief in the idea of God.”

“Do not spend the day in gathering flowers by the way side, lest night come upon you before you arrive at your journey's end, and then you will not reach it.”

“What Descartes did was a good step. You have added much several ways, and especially in taking the colours of thin plates into philosophical consideration. If I have seen a little further it is by standing on the shoulders of Giants.”

“Time, like an ever-rolling stream, Bears all its sons away; They fly forgotten, as a dream Dies at the opening day.”

“Love is amazing, so divine, demands my soul, my life, my all.”

“Tis true my form is something odd But blaming me is blaming God Could I create myself anew I would not fail in pleasing you. If I could reach from pole to pole Or grasp the ocean with a span I would be measured by the soul The mind's the standard of the man.”