I think the time may come when double algebra will be the beginner's tool; and quaternions will be where double algebra is no. The Lord only knows what will come above the quaternions.


Graves' Life of Hamilton (Volume 3) (p. 493), 1882-1889


I think the time may come when double algebra will be the beginner's tool; and quaternions will be where double algebra is no. The Lord only knows...

I think the time may come when double algebra will be the beginner's tool; and quaternions will be where double algebra is no. The Lord only knows...

I think the time may come when double algebra will be the beginner's tool; and quaternions will be where double algebra is no. The Lord only knows...

I think the time may come when double algebra will be the beginner's tool; and quaternions will be where double algebra is no. The Lord only knows...