So long as you do no harm to another, change your opinion once in a while. Contradict yourself without being embarrassed. This is your right. It doesn't matter what others think -because that's what they will think, in any case.
Life is too mysterious to try to map it out. I've certainly lived long enough to know it will take you places you never thought it would take you - and some of those places are kind of wonderful.
We cannot know what faith is if we have never had it, and we cannot obtain it as long as we deny it. Faith and doubt cannot exist in the same mind at the same time, for one will dispel the other.
The industrial-technological system may survive or it may break down. If it survives, it MAY eventually achieve a low level of physical and psychological suffering, but only after passing through a long and very painful period of adjustment and only at the cost of permanently reducing human beings and many other living organisms to engineered products and mere cogs in the social machine.
I have long argued that paying down the national debt is beneficial for the economy: it keeps interest rates lower than they otherwise would be and frees savings to finance increases in the capital stock, thereby boosting productivity and real incomes.
In our endeavors to recall to memory something long forgotten, we often find ourselves upon the very verge of remembrance, without being able, in the end, to remember.
The Jews had, as a matter of fact, long been all along the most ingenious entrepreneurs. It was only our own future that we had never built upon a business basis.
He who has attained intellectual emancipation to any extent cannot, for a long time, regard himself otherwise than as a wanderer on the face of the earth and not even as a traveller towards a final goal, for there is no such thing.