The algebra of quaternions preserves the law of multiplicative associativity but does away with commutativity.

When I was a boy I was told that anybody could become President. I’m beginning to believe it. -Clarence Darrow-

Life is good for only two things, discovering mathematics and teaching mathematics. -Simón Denis Poisson-

Sometimes I use big words I don’t understand to make myself appear more photosynthesis. -Betty Isikiel-

If a tree falls in a forest and there’s no one to post the meme to Facebook — did it actually fall? -Randy Cassingham-

I never came across one of Laplace’s “Thus it plainly appears” without feeling sure I had hours of hard work before me to fill up the chasm and find out how and show how it plainly appears. -Nathaniel Bowditch-

We are one step away from stupid, every one of us. -Chris Plekenpol-

You do good work, what little there is of it. -Gordy Hentz-

Many of life’s failures are people who did not realize how close they were to success when they gave up. -Thomas Edison-

The difference between average people and achieving people is their perception of and response to failure. -John C. Maxwell-