“We can be absolutely certain only about things we do not understand.”

Naivete in grownups is often charming; but when coupled with vanity it is indistinguishable from stupidity.

Fair play is primarily not blaming others for anything that is wrong with us.

The hardest thing to cope with is not selfishness or vanity or deceitfulness, but sheer stupidity.

Nature is a self-made machine, more perfectly automated than any automated machine. To create something in the image of nature is to create a machine, and it was by learning the inner working of nature that man became a builder of machines.

The central task of education is to implant a will and facility for learning; it should produce not learned but learning people. The truly human society is a learning society, where grandparents, parents, and children are students together.

Mass movements can rise and spread without belief in a God, but never without belief in a devil.

Learners inherit the earth; while the learned find themselves beautifully equipped to deal with a world that no longer exists.

There is a tendency to judge a race, a nation or any distinct group by its leastworthy members.

Communists are frustrated capitalists.

The capacity for getting along with our neighbor depends to a large extent on the capacity for getting along with ourselves. The self-respecting individual will try to be as tolerant of his neighbor’s shortcomings as he is of his own.

A dissenting minority feels free only when it can impose its will on the majority: what it abominates most is the dissent of the majority.

The only way to predict the future is to have power to shape the future.

We are told that talent creates its own opportunities. But it sometimes seems that intense desire creates not only its own opportunities, but its own talents.

To change everything, simply change your attitude.

Jesus was not a Christian, nor was Marx a Marxist.

When people are free to do as they please, they usually imitate each other.

Until I am essentially united with God, I can never have full rest or real happiness.

He knew what he knew: that the real world was full of magic, so magical worlds could easily be real.

School typically doesn’t prepare young people for real life – unless their lives are spent following instructions and pleasing others. In my opinion, that’s why so many students who succeed in school fail in life.

For all my life, America was the place to be. And we somehow continue to be the place where there are real opportunities to change the world for the better.

We all have a life story and a message that can inspire others to live a better life or run a better business. Why not use that story and message to serve others and grow a real business doing it?

No matter how attractive a person’s potential may be, you have to date their reality.

There is a real world independent of our senses; the laws of nature were not invented by man, but forced on him by the natural world. They are the expression of a natural world order.

The real practice of love goes beyond satisfaction and dissatisfaction. Wallowing in pleasure can be just as limiting as wallowing in pain if you don’t open your heart beyond the satisfaction of your personal emotional needs.