We are so conformist; nobody is thinking. We are all sucking up stuff; we have been trained to be consumers, and we are all consuming far too much.

I am in my own head most of the time.

I always thought we had an environmental problem, but I hadn't realized how urgent it was. James Lovelock writes that by the end of this century there will be one billion people left.

“I can't think without my glasses.” 

“It doesn't matter how smart you are unless you stop and think.” 

If you commit to philosophy, be prepared at once to be laughed at and made the butt of many snide remarks.

Success or failure is caused more by mental attitude than by mental capacity.

The greatest of all mistakes is to do nothing because you think you can only do a little.

Make failure your teacher, not your undertaker.

Positive thinking will let you do everything better than negative thinking will

If you spend too much time thinking about a thing, you’ll never get it done.

Do think of the past in terms of those memories of events and accomplishments which were pleasant, rewarding, and satisfying.

Thoughts backed by faith will overcome all obstacles.

Not “what” to think but “how” to think.

“The mind is the battlefield.” 

“You can enjoy anything if you make up your mind to.” 

“Don't reason in the mind just obey in the spirit.” 

“Complain and remain. Praise and be raised.” 

I wonder what Heaven must think of the people down here on this small black speck in the universe that is earth, or of all their talk about the last few years-which are no more than a flash compared with eternity-being 'a time of emergency." It's really ridiculous.

“I can promise you that women working together – linked, informed and educated – can bring peace and prosperity to this forsaken planet.” 

“People do not belong to others, either. How can the huincas buy and sell people if they do not own them. Sometimes the boy went two or three days without speaking a word, surly, and not eating, and when asked what was the matter, the answer was always the same: "There are content days and there are sad days. Each person is a master of his silence.” 

“I have seen these persons speak unthinkingly, not realizing that to speak is also to be. Word and gesture are man's thought. We should not speak without reason.” 

“Happiness is slippery, it slithers away between your fingers, but problems are something you can hold on to, they’ve got handles, they’re rough and hard” 

“Each of us chooses the tone for telling his or her own story. I would like to choose the durable clarity of a platinum print, but nothing in my destiny possesses the luminosity. I live among diffuse shadings, veiled mysteries, uncertainties; the tone of telling my life is closer to that of a portrait in sepia.”