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

So long as the memory of certain beloved friends lives in my heart, I shall say that life is good.
Helen Keller

Of all the things I've done, the most vital is coordinating those who work with me and aiming their efforts at a certain goal.
Walt Disney

The only certain freedom's in departure.
Robert Frost

Do the thing we fear, and death of fear is certain.
Ralph Waldo Emerson

A tragedy is a representation of an action that is whole and complete and of a certain magnitude. A whole is what has a beginning and middle and end.
Aristotle

The wise man does not expose himself needlessly to danger, since there are few things for which he cares sufficiently; but he is willing, in great crises, to give even his life - knowing that under certain conditions it is not worthwhile to live.
Aristotle

This is the reason why mothers are more devoted to their children than fathers: it is that they suffer more in giving them birth and are more certain that they are their own.
Aristotle

Mothers are fonder than fathers of their children because they are more certain they are their own.
Aristotle

What the statesman is most anxious to produce is a certain moral character in his fellow citizens, namely a disposition to virtue and the performance of virtuous actions.
Aristotle

I have a hat. It is graceful and feminine and give me a certain dignity, as if I were attending a state funeral or something. Someday I may get up enough courage to wear it, instead of carrying it.
Erma Bombeck

There never was and is not likely soon to be a nation of philosophers, nor am I certain it is desirable that there should be.
Henry David Thoreau

There are certain pursuits which, if not wholly poetic and true, do at least suggest a nobler and finer relation to nature than we know. The keeping of bees, for instance.
Henry David Thoreau

If ignorant both of your enemy and yourself, you are certain to be in peril.
Sun Tzu

No object is so beautiful that, under certain conditions, it will not look ugly.
Oscar Wilde

Business is never so healthy as when, like a chicken, it must do a certain amount of scratching around for what it gets.
Henry Ford

Faith is a living, daring confidence in God's grace, so sure and certain that a man could stake his life on it a thousand times.
Martin Luther

I feel much freer now that I am certain the pope is the Antichrist.
Martin Luther

A certain degree of neurosis is of inestimable value as a drive, especially to a psychologist.
Sigmund Freud