“To say that the universe was here last year, or millions of years ago, does not explain its origin. This is still a mystery. As to the question of the origin of things, man can only wonder and doubt and guess.”

Men have always been obliged to fight to preserve liberty. Constitutions and laws do not safeguard liberty. It can be preserved only by a tolerant people, and this means eternal conflict.

None meet life honestly and few heroically.

I have never killed any one, but I have read some obituary notices with great satisfaction.

You can only be free if I am free.

For to know all is to understand all, and this leaves no room for judgment and condemnation.

Lost causes are the only ones worth fighting for.

The most human thing we can do is comfort the afflicted and afflict the comfortable.

We know life is futile. A man who considers that his life is of very wonderful importance is awfully close to a padded cell.

No other offense has ever been visited with such severe penalties as seeking to help the oppressed.

We’re all killers at heart, I have never taken anybody’s life, but I have often read obituary notices with considerable satisfaction.

Everybody is a potential murderer. I’ve never killed anyone, but I frequently get satisfaction reading the obituary notices.

No nation can be really great that is held together by Gatling guns, and no true loyalty can be induced and kept through fear.

It’s not bad people I fear so much as good people. When a person is sure that he is good, he is nearly hopeless; he gets cruel- he believes in punishment.

I have always felt that doubt was the beginning of wisdom, and the fear of God was the end of wisdom.

The Constitution is a delusion and a snare if the weakest and humblest man in the land cannot be defended in his right to speak and his right to think as much as the strongest in the land.

You can’t get to a pleasant place to be at unless you use pleasant methods to get there. When you are dealing with a human society the means is fully as important as the end.

Gravity is not a version of the truth. It is the truth. Anyone who doubts it is invited to jump out a tenth-storey window.

A doubtful friend is worse than a certain enemy. Let a man be one thing or the other, and we then know how to meet him.

Today is today, and yesterday is gone. There is no doubt.

Any truth is better than indefinite doubt.

There’s no doubt. Its certain that ill be 100 percent

How prone to doubt, how cautious are the wise!

I talk to God but the sky is empty.

If I am anything, which I highly doubt, I have made myself so by hard work.