The only thing necessary for the triumph of evil is for good men to do nothing.
Mathematics is the queen of science and arithmetic is the queen of mathematics.

Mathematics is the language with which God has written the universe.
The only way to do great work is to love what you do.

There are only three types of people; those who can count and those who can't.
The only way to learn mathematics is to do mathematics.
In the end, it's not the years in your life that count. It's the life in your years.
You don't have to be a mathematician to have a feel for numbers.
Life is like riding a bicycle. To keep your balance, you must keep moving.

Numbers have life; they're not just symbols on paper.
Life is what happens when you're busy making other plans.