Happiness is when what you think, what you say, and what you do are in harmony.
The most courageous act is still to think for yourself. Aloud.
You probably wouldn’t worry about what people think of you if you could know how seldom they do.
Think left and think right and think low and think high. Oh, the thinks you can think up if only you try!
If I were not a physicist, I would probably be a musician. I often think in music. I live my daydreams in music. I see my life in terms of music.
No one knows for certain how much impact they have on the lives of other people. Oftentimes, we have no clue. Yet we push it just the same.
I think; therefore I am.
The surest way to corrupt a youth is to instruct him to hold in higher esteem those who think alike than those who think differently.
Adversity leads us to think properly of our state, and so is most beneficial to us.
I think that New York is not the cultural centre of America, but the business and administrative centre of American culture.
I think that there is nothing, not even crime, more opposed to poetry, to philosophy, ay, to life itself than this incessant business.
I have learned that only two things are necessary to keep one's wife happy. First, let her think she's having her own way. And second, let her have it.
Neither a man nor a crowd nor a nation can be trusted to act humanely or to think sanely under the influence of a great fear.
People think that at the top there isn't much room. They tend to think of it as an Everest. My message is that there is tons of room at the top.
I don't sit around thinking that I'd like to have another husband; only another man would make me think that way.
Some of us think holding on makes us strong; but sometimes it is letting go.
I wonder if other dogs think poodles are members of a weird religious cult.
If you think it's going to rain, it will.
No man can think clearly when his fists are clenched.
We think in generalities, but we live in detail.