Leonhard Euler Quotes

A function of a variable quantity is an analytic expression composed in any way whatsoever of the variable quantity and numbers or constant quantities.

After exponential quantities the circular functions, sine and cosine, should be considered because they arise when imaginary quantities are involved in the exponential.

Transcendental [numbers], They transcend the power of algebraic methods.

To those who ask what the infinitely small quantity in mathematics is, we answer that it is actually zero. Hence there are not so many mysteries hidden in this concept as they are usually believed to be.

Madam, I have come from a country where people are hanged if they talk.

Now I will have less distraction.

Nothing takes place in the world whose meaning is not that of some maximum or minimum.

For the sake of brevity, we will always represent this number 2.718281828459... by the letter e.

Logic is the foundation of the certainty of all the knowledge we acquire.