"The eternal silence of these infinite spaces terrifies me"

"Nothing is so intolerable to man as being fully at rest, without a passion, without business, without entertainment, without care."

"There is a certain standard of grace and beauty which consists in a certain relation between our nature... and the thing which pleases us."

"There is enough light for those who only desire to see, and enough obscurity for those who have a contrary disposition"

"Men seek rest in a struggle against difficulties; and when they have conquered these, rest becomes insufferable."

"We must keep our thought secret, and judge everything by it, while talking like the people."

"The heart has reasons that reason cannot know."

"Since we cannot know all there is to be known about anything, we ought to know a little about everything."

"Reason's last step is the recognition that there are an infinite number of things which are beyond it."

"Even those who write against fame wish for the fame of having written well, and those who read their works desire the fame of having read them."

"Our nature lies in movement; complete calm is death."

"Those honor nature well, who teach that she can speak on everything."

"By space the universe encompasses me and swallows me up like an atom; by thought I comprehend the world."

"Contradiction is not a sign of falsity, nor the lack of contradiction a sign of truth."

"Distraction is the only thing that consoles us for miseries and yet it is itself the greatest of our miseries."

"In difficult times carry something beautiful in your heart."

"And is it not obvious that, just as it is a crime to disturb the peace when truth reigns, it is also a crime to remain at peace when the truth is being destroyed?"

"Symmetry is what we see at a glance; based on the fact that there is no reason for any difference..."

"There are only two kinds of men: the righteous who think they are sinners and the sinners who think they are righteous."

"Men are so necessarily mad, that not to be mad would amount to another form of madness."

"Justice without force is powerless; force without justice is tyrannical."

"The more I see of Mankind, the more I prefer my dog."

"Nature has made all her truths independent of one another. Our art makes one dependent on the other."

"To understand is to forgive."