Perseverance, secret of all triumphs.

The onward march of the human race requires that the heights around it constantly blaze with noble lessons of courage. Deeds of daring dazzle history and form one of man's guiding lights.

People do not lack strength; they lack will.

Religion, Society, and Nature--these are the three struggles of man.

Winter is on my head, but eternal spring is in my heart.

I advance in life, I grow more simple, and I become more and more patriotic for humanity.

Every idea must have a visible enfolding.