“Sand can resist to water; but it cannot win. Ignorant can resist to knowledge; but it cannot win.”

“Human mind can grasp everything in the universe, but it cannot change everything!”

“We can bear the sun not to set, but we cannot bear the sun not to rise!”

“Anybody can be a believer; but anybody cannot be a good man! First, be good; then, in addition to this, be whatever you wish!”

“History respects revolutions; and yet, if a revolution is progressive, support it; if it is reactionary, resist it!”

“If you have to live in the mud for a while, you must not resist being a frog for a while!”

“Innovations, free thinking is blowing like a storm; those that stand in front of it, ignorant scholars like you, false scientists, perverse conservatives, obstinate goats, resisting mules are being crushed under the weight of these innovations. You are nothing but ants standing in front of the giants; nothing but chicks trying to challenge roaring volcanoes!”