After exponential quantities the circular functions, sine and cosine, should be considered — Leonhard Euler
Nothing takes place in the world whose meaning is not that of some maximum or minimum. — Leonhard Euler
Notable enough, however, are the controversies over the series 1 – 1 + 1 – 1 + 1 – … — Leonhard Euler
Mathematicians have tried in vain to this day to discover some order in the sequence of — Leonhard Euler
To those who ask what the infinitely small quantity in mathematics is, we answer that it is actually zero. — Leonhard Euler
For since the fabric of the universe is most perfect and the work of a most wise creator — Leonhard Euler
![Transcendental [numbers], They transcend the power of algebraic methods. Leonhard Euler Picture Quote](https://www.idlehearts.com/images/transcendental-numbers-they-transcend-the-power-of-algebraic-methods.jpg?x85372 "Transcendental [numbers], They transcend the power of algebraic methods.")
