Lock up your libraries if you like; but there is no gate, no lock, no bolt that you can set upon the freedom of my mind.
Each has his past shut in him like the leaves of a book known to him by his heart, and his friends can only read the title.
Nothing has really happened until it has been recorded.
The eyes of others our prisons; their thoughts our cages.
Thought and theory must precede all salutary action; yet action is nobler in itself than either thought or theory.
It is far more difficult to murder a phantom than a reality.