Nothing should be done for spite's sake.

I had a feeling once about Mathematics - that I saw it all. Depth beyond depth was revealed to me - the Byss and Abyss. I saw - as one might see the transit of Venus or even the Lord Mayor's Show - a quantity passing through infinity and changing its sign from plus to minus. I saw exactly why it happened and why the tergiversation was inevitable but it was after dinner and I let it go.

I am always ready to learn although I do not always like being taught.

Never give in, never! Be it concerning large things or small things, never, never, never!

For my part, I consider that it will be found much better by all parties to leave the past to history, especially as I propose to write that history myself.

The problems of victory are more agreeable than those of defeat, but they are no less difficult.

Everyone threw the blame on me ... they nearly always do. I suppose ... they think I shall be able to bear it best.