The moral disposition of the age appears in the refinement of conversation.

- Mary Somerville

Nothing has afforded me so convincing a proof of the unity of the Deity as these purely mental conceptions of numerical and mathematical science.

- Mary Somerville

The most savage people are also the ugliest.

- Mary Somerville

No circumstance in the natural world is more inexplicable than the diversity of form and color in the human race.

- Mary Somerville

No one at this time can duly estimate the importance of Mrs Marcet's scientific works.

- Mary Somerville