The sea, once it casts its spell, holds one in its net of wonder forever.
Life is either a daring adventure or nothing at all.
The only limit to our realization of tomorrow will be our doubts of today.
Exploration is really the essence of the human spirit.
To confine our attention to terrestrial matters would be to limit the human spirit.
The desire to reach for the stars is ambitious. The desire to reach hearts is wise.