“Nothing has been discovered, nothing has been invented. We can only know that we know nothing. And that's the highest degree of human wisdom.”

“We can know only that we know nothing. And that is the highest degree of human wisdom.”

“The only thing that we know is that we know nothing, and that is the highest flight of human wisdom.”

“All we can know is that we know nothing. And that's the height of human wisdom.”

“Muhammad has always been standing higher than the Christianity. He does not consider god as a human being and never makes himself equal to God. Muslims worship nothing except God and Muhammad is his Messenger. There is no any mystery and secret in it.”

“I do value my work awfully; but in reality only consider this: all this world of ours is nothing but a speck of mildew, which has grown up on a tiny planet. And for us to suppose we can have something great - ideas, work - it's all dust and ashes.”

“How good it would be to know where to look for help in this life and what to expect after it, there, beyond the grave! How happy and calm I'd be, if I could say now: Lord, have mercy on me! ... But to whom shall I say it? Either it is an indefinable, unfathomable power, which I not only cannot address, but which I cannot express in words - the great all or nothing...or it is that God of whom Princess Marya has sewn in here, in this amulet? Nothing, nothing is certain, except the insignificance of everything I can comprehend and the grandeur of something incomprehensible but most important!”