Sourced

• 
  The world is nearly all parcelled out, and what there is left of it is being divided up, conquered and colonised. To think of these stars that you see overhead at night, these vast worlds which we can never reach. I would annex the planets if I could; I often think of that. It makes me sad to see them so clear and yet so far.
  Last Will and Testament (1902)

Attributed

• How can I possibly dislike a sex to which Your Majesty belongs?
• I have found out one thing and that is, if you have an idea, and it is a good idea, if you only stick to it you will come out all right.
• Remember that you are an Englishman, and have consequently won first prize in the lottery of life.
• So little done, so much to do.
• The real fact is that I could no longer stand their eternal cold mutton.
• On why he left England for South Africa
• We must find new lands from which we can easily obtain raw materials and at the same time exploit the cheap slave labor that is available from the natives of the colonies. The colonies would also provide a dumping ground for the surplus goods produced in our factories.

Criticism

• 
  I admire him, I frankly confess it; and when his time comes I shall buy a piece of the rope for a keepsake.
• Mark Twain, Following the Equator (1897), end of chapter LXIX (The Most Imposing Man in British Provinces).