It is not the critic who counts; not the man who points out how the strong man stumbles, or where the doer of deeds could have done them better. The credit belongs to the man who is actually in the arena, whose face is marred by dust and sweat and blood; who strives valiantly; . . . who at best knows in the end the triumph of high achievement, and who at worst, if he fails, at least fails while daring greatly.
Have no fear of the future. Let us go forward into its mysteries, tear away the veils which hide it from our eyes, and move onwards with confidence and courage.
The ordinary man is as courageous and invulnerable as a hero when he does not recognize any danger, when he has no eyes to see it.Conversely, the hero's only vulnerable spot is on his back, and so exactly where he has no eyes.
Enlightenment is man's emergence from his self-imposed nonage. Nonage is the inability to use one's own understanding without another's guidance. This nonage is self-imposed if its cause lies not in lack of understanding but in indecision and lack of courage to use one's own mind without another's guidance. Dare to know!