In the search for truth – that everything in nature seems to hide – man needs the assistance of all his faculties. All the senses should be awake.
What has religion to do with facts? Nothing.
I will follow my logic, no matter where it goes, after it has consulted with my heart. If you ever come to a conclusion without calling the heart in, you will come to a bad conclusion.
To be like other people is to be unlike ourselves.
Superstition is, always has been, and forever will be, the foe of progress, the enemy of education and the assassin of freedom.
I am not so much for the freedom of religion as I am for the religion of freedom.
The church hates a thinker precisely for the same reason a robber dislikes a sheriff, or a thief despises the prosecuting witness.
The true civilization is where every man gives to every other every right that he claims for himself.
If the world ever advances beyond what it is today, it must be led by men who express their real opinions.
This crime called blasphemy was invented by priests for the purpose of defending doctrines not able to take care of themselves.
Nothing could add to the horror of hell, except the presence of its creator, God. While I have life, as long as I draw breath, I shall deny with all my strength, and hate with every drop of my blood, this infinite lie.
But honest men do not pretend to know; they are candid and sincere; they love the truth; they admit their ignorance, and they say, We do not know.
We can be as honest as we are ignorant. If we are, when asked what is beyond the horizon of the known, we must say that we do not know.
Infidels in all ages have battled for the rights of man, and have at all times been the fearless advocates of liberty and justice.
If all the historic books of the Bible were blotted from the memory of mankind, nothing of value would be lost...
As a matter of fact, no one knows that God exists and no one knows that God does not exist. To my mind there is no evidence that God exists – that this world is governed by a being of infinite goodness, wisdom and power, but I do not pretend to know.
Let every man teach his son, teach his daughter, that labor is honorable.
The hands that help are better far than lips that pray.
In all ages, hypocrites, called priests, have put crowns upon the heads of thieves, called kings.
God so loved the world that he made up his mind to damn a large majority of the human race.