Never doubt that a small group of thoughtful, committed citizens can change the world; indeed, it's the only thing that ever has.
Margaret Mead

People get very thoughtful when they are in cars. I no longer care for cars. I don't collect them.
Mick Jagger

Stop the habit of wishful thinking and start the habit of thoughtful wishes.
Mary Martin

The doubt of an earnest, thoughtful, patient and laborious mind is worthy of respect. In such doubt may be found indeed more faith than in half the creeds.
John Lancaster Spalding

The lonely become either thoughtful or empty.
Mason Cooley

The purest and most thoughtful minds are those which love colour the most.
John Ruskin

The thoughtful soul to solitude retires.
Omar Khayyam

There are a lot of editorials that have nothing to do with anything like that. But I was just thinking of that sense of prose as being very responsible and perceptive, thoughtful, intimate, and contriving a quote statement.
Robert Creeley

There is a tremendous amount of support for the approach we have taken, which again is to base our decisions on risk analysis and thoughtful scientific process.
Mike Johanns

Thoughtful people of different political philosophies can disagree, but in a very agreeable manner.
Bob Ehrlich

To be content with life or to live merrily, rather all that is required is that we bestow on all things only a fleeting, superficial glance; the more thoughtful we become the more earnest we grow.
Georg C. Lichtenberg

Today it is becoming increasingly apparent to thoughtful Americans that we cannot fight the forces and ideas of imperialism abroad and maintain any form of imperialism at home. The war has done this to our thinking.
Wendell Willkie