I'm more curious to know what a cat think than what a philosopher thinks.

When you think about something you give it an importance it doesn't have.

Feeling and thinking are directly proportional to each other and inseparable.

Learning without thought is labor lost; thought without learning is perilous.

He thinks in secret, and it comes to pass: environment is but a looking glass.

If two heads are better than one, then think how brilliant committees must be.

…the blogosphere is the friend of information but the enemy of thought.

Before thinking about what you are going to say, think about what I am saying.

Thinking is a great joy for a good writer and a great torture for the bad one!

If I had felt always as much as I do sometimes, life wouldn't be bearable.

To paraphrase several sages: Nobody can think and hit someone at the same time.

The Best Thoughts are often those which are spoken without giving any thoughts.

The fact that life has no meaning is a reason to live --moreover, the only one.

We can not solve our problems with the same level of thinking that created them

Earthlings went on being friendly, when they should have been thinking instead.