Being a hero is about the shortest-lived profession on earth.
In the survival of favoured individuals and races, during the constantly-recurring struggle for existence, we see a powerful and ever-acting form of selection.
I'd trade all my tomorrows for a single yesterday.
Your pain is the breaking of the shell that encloses your understanding... And could you keep your heart in wonder at the daily miracles of your life, your pain would not seem less wondrous than your joy
Science is the outcome of being prepared to live without certainty and therefore a mark of maturity. It embraces doubt and loose ends.
You never know what life is like, until you have lived it.
Pain don't hurt.
It is not how old you are, but how you are old.
The historian looks backward. In the end he also believes backward.
It would please me best if, at the last, a marble stone shall record that this Queen having lived such and such a time, lived and died a virgin.
Do not wait for the last judgment. It comes every day.
Don't cry for a man who's left you - the next one may fall for your smile.
I think it's much more interesting to live not knowing than to have answers which might be wrong.
Wrinkles are engraved smiles.
Life is not easy for any of us. But what of that? We must have perseverance and above all confidence in ourselves. We must believe that we are gifted for something and that this thing must be attained.
When life hands you a lemon, say, 'Oh yeah, I like lemons! What else ya got?
In order to seek truth, it is necessary once in the course of our life to doubt, as far as possible, of all things.
Boys will be boys. And even that wouldn't matter if only we could prevent girls from being girls.
Live as if you were living a second time, and as though you had acted wrongly the first time.
Doing nothing is happiness for children and misery for old men.
If we couldn't laugh we would all go insane.