Leonhard Euler

The Euler characteristic is a topological invariant.

The study of mathematics is an exercise in the highest form of reasoning.

The more I learn, the more I realize how much I don't know.

The Euler-Maclaurin formula relates sums to integrals.

The concept of a logarithm is a powerful tool in mathematics.

The universe is a harmonious system, and mathematics is the key to understanding its harmony.

The Euler product formula for the Riemann zeta function.

The Euler totient function counts the number of positive integers up to a given integer n that are relatively prime to n.

The Euler line connects the orthocenter, circumcenter, and centroid of a triangle.

The Euler-Bernoulli beam theory describes the behavior of beams under bending.

Although I am blind, I can still do mathematics.

The more I study, the more I am convinced that the world is a wonderful place.

I have often reflected on the fact that the two greatest mathematicians of the last century, Newton and Leibniz, both died without having established a complete and satisfactory theory of the calculus.

Mathematics is the language in which God has written the universe.

To the glory of God, I have calculated.

My memory is failing me, but my love for mathematics remains strong.

It is not knowledge, but the act of learning, not possession but the act of getting there, which grants the greatest enjoyment.

I am quite content with my lot, and I have no desire to change it.

The study of nature is the study of God.

I am a mathematician, and I love my work.