Reading, after a certain age, diverts the mind too much from its creative pursuits. Any man who reads too much and uses his own brain too little falls into lazy habits of thinking.
Albert Einstein

As far as the laws of mathematics refer to reality, they are not certain, and as far as they are certain, they do not refer to reality.
Albert Einstein

We hold these truths to be self-evident: that all men are created equal; that they are endowed by their Creator with certain unalienable rights; that among these are life, liberty, and the pursuit of happiness.
Thomas Jefferson

The spirit of resistance to government is so valuable on certain occasions that I wish it to be always kept alive.
Thomas Jefferson

We are the creative force of our life, and through our own decisions rather than our conditions, if we carefully learn to do certain things, we can accomplish those goals.
Stephen Covey

When you dance, your purpose is not to get to a certain place on the floor. It's to enjoy each step along the way.
Wayne Dyer

Focusing your life solely on making a buck shows a certain poverty of ambition. It asks too little of yourself. Because it's only when you hitch your wagon to something larger than yourself that you realize your true potential.
Barack Obama

Do the thing you fear most and the death of fear is certain.
Mark Twain

Under certain circumstances, profanity provides a relief denied even to prayer.
Mark Twain

When red-haired people are above a certain social grade their hair is auburn.
Mark Twain

I'm completely in favor of the separation of Church and State. My idea is that these two institutions screw us up enough on their own, so both of them together is certain death.
George Carlin

If co-operation is a duty, I hold that non-co-operation also under certain conditions is equally a duty.
Mohandas Gandhi

Certainty? In this world nothing is certain but death and taxes.
Benjamin Franklin

In this world nothing can be said to be certain, except death and taxes.
Benjamin Franklin

It is a grand mistake to think of being great without goodness and I pronounce it as certain that there was never a truly great man that was not at the same time truly virtuous.
Benjamin Franklin

Gain may be temporary and uncertain; but ever while you live, expense is constant and certain: and it is easier to build two chimneys than to keep one in fuel.
Benjamin Franklin

A new father quickly learns that his child invariably comes to the bathroom at precisely the times when he's in there, as if he needed company. The only way for this father to be certain of bathroom privacy is to shave at the gas station.
Bill Cosby

Character is determined more by the lack of certain experiences than by those one has had.
Friedrich Nietzsche

For art to exist, for any sort of aesthetic activity to exist, a certain physiological precondition is indispensable: intoxication.
Friedrich Nietzsche

Change is the law of life. And those who look only to the past or present are certain to miss the future.
John F. Kennedy