If you aren't rich you should always look useful.
Louis-Ferdinand Celine
I grew up in Birmingham, where they made useful things and made them well.
Lee Child
Rational discussion is useful only when there is a significant base of shared assumptions.
Noam Chomsky
I don't think that experience is a very useful or convincing attribute for a sensible foreign policy. Henry Kissinger had a lot of experience.
My puppets are far more liberated than I am. Ventriloquism is a useful way of expressing myself.
Nina Conti
I find humming is very useful.
Elvis Costello
I have no useful theories about love and marriage.
Michael Cunningham
I have called this principle, by which each slight variation, if useful, is preserved, by the term of Natural Selection.
Charles Darwin
Quotations are useful in periods of ignorance or obscurantist beliefs.
Guy Debord
My problem is how to find the best way of being useful.
Jacques Delors