Sometimes my songs wander off a bit and are not always coherent.

- Adele

I find it really hard to say anything coherent or interesting about the work I do.

- Ben Whishaw

There is a coherent plan in the universe, though I don't know what it's a plan for.

- Fred Hoyle

Civilization is a progress from an indefinite, incoherent homogeneity toward a definite, coherent heterogeneity.

- Herbert Spencer

I think a good business book has one coherent idea that is richly played out.

- Marcus Buckingham