Life is tough, but it's tougher when you're stupid.

Doing nothing is happiness for children and misery for old men.

Your purpose in life is to find your purpose and give your whole heart and soul to it.

Close by the Rights of Man, at the least set beside them, are the Rights of the Spirit.

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.

Boys will be boys. And even that wouldn't matter if only we could prevent girls from being girls.

If we are not free, no one will respect us.

The highest manifestation of strength is to keep ourselves calm and on our own feet.

The doctor of the future will give no medicine, but will interest her or his patients in the care of the human frame, in a proper diet, and in the cause and prevention of disease.

Nothing exists except atoms and empty space; everything else is opinion.

Wrinkles should merely indicate where the smiles have been.

Live simply so others may simply live.

He who has a why to live can bear with almost any how.

If a man neglects education, he walks lame to the end of his life

I can't wait to figure out what is wrong with me, so I can say this is the way that I used to be.

A wise girl kisses but doesn't love, listens but doesn't believe, and leaves before she is left.

Someone's sitting in the shade today because someone planted a tree a long time ago.

No social problem is as universal as the oppression of the child

The earth is like a spaceship that didn't come with an operating manual.

We don't see things as they are, we see them as we are.

Live your life as though your every act were to become a universal law.