Progress is impossible without change, and those who cannot change their minds cannot change anything.

To do easily what is difficult for others is the mark of talent. To do what is impossible for talent is the mark of genius.

"It was impossible to get a conversation going; everybody was talking too much."

“To believe in God is impossible not to believe in Him is absurd."

Genteel women suppose that those things do not really exist about which it is impossible to talk in polite company.

Without knowing the force of words, it is impossible to know more.