There'll Be Plenty Of Time To Rest

Why Are Numbers Beautiful? It’s Like Asking Why Is Beethoven’s Ninth Symphony Beautiful. If You Don’t See Why, Someone Can’t Tell You. I Know Numbers Are Beautiful. If They Aren’t Beautiful, Nothing Is.

Every Human Activity, Good Or Bad, Except Mathematics, Must Come To An End.

Suppose Aliens Invade The Earth And Threaten To Obliterate It In A Year's Time Unless Human Beings Can Find The Ramsey Number For Red Five And Blue Five. We Could Marshal The World's Best Minds And Fastest Computers, And Within A Year We Could Probably Calculate The Value. If The Aliens Demanded The Ramsey Number For Red Six And Blue Six, However, We Would Have No Choice But To Launch A Preemptive Attack.

There Are Three Signs Of Senility. The First Sign Is That A Man Forgets His Theorems. The Second Sign Is That He Forgets To Zip Up. The Third Sign Is That He Forgets To Zip Down.

I'll Tell You Once, And I'll Tell You Again. There's Always A Prime Between N And 2n.