"... I have said for twenty-five or thirty years that the one thing I would really like to know before I die is why th…"

"[I]n two dimensions the... [19 point] hexagonal lattice solves the packing, kissing, covering and quantizing problems…"

"We are planning a sequel... The Geometry of Low-Dimensional Groups and Lattices which will contain two earlier papers..."

"In this chapter we discuss the problem of packing spheres in and of packing points on the surface of a sphere. The pr…"

"The classical... problem is... how densely a large number of identical spheres ([e.g.,] ball bearings...) can be pack…"

"The classical... problem... asks: is this the greatest density..? an unsolved problem, one of the most famous..."

"The general... problem... packing... in n-dimensional space. ...[T]here is nothing mysterious about n-dimensional spa…"

"There has been a great deal of nonsense written... about the mysterious fourth dimension. ...4-dimensional space just…"

"[[w:Sphere packing|[L]attice packing]]... has the properties that 0 is a center and... if there are spheres with cent…"

"When I was on the train from Liverpool to Cambridge to become a student, it occurred to me that no one at Cambridge k…"