Quote by Leonhard Euler

"Read Euler, read Euler, he is the master of us all."

"The beauty of a mathematical proof lies not in its length but in its elegance."

"Life is but a moment, yet mathematics is eternal."

"In mathematics, you don't understand things. You just get used to them."

"Friendship is built on trust and honesty."

"True friendship is worth more than gold."

"Good friends are like stars, always there even when you can't see them."

"Friendship means sacrifice."