All the world is full of suffering. It is also full of overcoming.
He who is content with what has been done is an obstacle in the path of progress.
The most beautiful world is always entered through imagination.
When one comes to think of it, there are no such things as divine, immutable, or inalienable rights. Rights are things we get when we are strong enough to make good our claim on them.
Avoiding danger is no safer in the long run than exposure.
The joy of surmounting obstacles which once seemed unremovable, and pushing the frontier of accomplishment further — what joy is there like unto it?