The secret of getting things done is to act!
Here pity only lives when it is dead - Virgil
Mankind, why do ye set your hearts on things That, of necessity, may not be shared?
Be like a solid tower whose brave height remains unmoved by all the winds that blow; the man who lets his thoughts be turned aside by one thing or another, will lose sight of his true goal, his mind sapped of its strength.
And we came forth to contemplate the stars.
Because your question searches for deep meaning, I shall explain in simple words