"Weapons are an important factor in war, but not the decisive factor; it is people, not things, that are decisive."

"Man has constantly to sum up experience and go on discovering, inventing, creating and advancing. Ideas of stagnation, pessimism, inertia and complacency are all wrong."

"We should not be afraid of criticism, because it helps us to correct our mistakes."

"In times of difficulty we must not lose sight of our achievements, must see the bright future and must pluck up our courage."

"Political power grows out of the barrel of a gun."