"

The principal mark of genius is not perfection but originality, the opening of new frontiers.

"

The most persistent sound which reverberates through man's history is the beating of war drums.

"

History knows no scruples and no hesitation. Inert and unnering flows towards her goal. History knows herway. She makes no mistakes.

"

Each wrong idea we follow is a crime committed against future generations.

"

Creative activity is a type of learning process where the teacher and pupil are located in the same individual.