One cannot help feeling that he might have dropped in upon us from some remote centre of spiritual life, where, instead of addition and subtraction, children were taught quaternions, and where the fourth dimension of space was as familiarly known to everybody as a foot-measure or a yard-stick is to us.
"The Complete PG Works of Oliver Wendell Holmes, Sr."
Oliver Wendell Holmes, Sr. (The Physician and Poet not the Jurist)
The same remark applies to the mathematical work of Augustus de Morgan, who, by the way, gave valuable hints for Hamilton's great work on quaternions.
"The Age of Tennyson"
Hugh Walker