The right to swing my fist ends where the other man's nose begins.

A new and valid idea is worth more than a regiment and fewer men can furnish the former than command the latter.

A man's mind, stretched by new ideas, may never reurn to it's original dimensions.

I think that, as life is action and passion, it is required of a man that he should share the passion and action of his time at peril of being judged not to have lived.

The great thing in this world is not so much where we are, but in what direction we are moving.

To live is to function. That is all there is in living.

The character of every act depends upon the circumstances in which it is done.

I find the great thing in this world is not so much where we stand, as in what direction we are moving - we must sail sometimes with the wind and sometimes against it - but we must sail, and not drift, nor lie at anchor.

I despise making the most of one's time. Half of the pleasures of life consist of the opportunities one has neglected.

A page of history is worth a pound of logic.

We are all tattooed in our cradles with the beliefs of our tribe; the record may seem superficial, but it is indelible. You cannot educate a man wholly out of superstitious fears which were implanted in his imagination, no matter how utterly his reason may reject them.

A word is not a crystal, transparent and unchanging, it is the skin of a living thought and may vary greatly in color and content according to the circumstances and time in which it is used.

To be 70 years young is sometimes far more cheerful and hopeful than to be 40 years old.

The ultimate good desired is better reached by free trade in ideas [and] the best test of truth is the power of the thought to get itself accepted in the competition of the market.

A moment's insight is sometimes worth a lifetime's experience.

Man's mind stretched to a new idea never goes back to its original dimensions.

It is now the moment when by common consent we pause to become conscious of our national life and to rejoice in it, to recall what our country has done for each of us, and to ask ourselves what we can do for our country in return.

To have doubted one's own first principles is the mark of a civilized man.

Every event that a man would master must be mounted on the run, and no man ever caught the reins of a thought except as it galloped past him.

Every year, if not every day, we have to wager our salvation upon some prophecy based upon imperfect knowledge.

Nothing is so frequent as to mistake an ordinary human gift for a special and extraordinary endowment.

To know is not less than to feel.

If a man hasn't got plenty of good common sense, the more science he has the worse for his patient.

We should be eternally vigilant against attempts to check the expression of opinions that we loathe.

A child's education should begin at least one hundred years before he is born.

The great act of faith is when a man decides he is not God.

A mind once stretched by a new idea never regains its original dimension.

Sin has many tools, but a lie is the handle which fits them all.

The mind of a bigot is like the pupil of the eye. The more light you shine on it, the more it will contract.

People talk fundamentals and superlatives and then make some changes of detail.

Our test of truth is a reference to either a present or imagined future majority in favour of our view.

Truth is tough. It will not break, like a bubble, at the touch, nay, you may kick it about all day like a football, and it will be round and full at evening.

Lawyers spend a great deal of their time shoveling smoke.