There is no cosmetic for beauty like happiness....

I was a little doubtful about the propriety of going to the Mammoth Cave without a gentleman escort, but if two ladies travel alone they must have the courage of men.

I would as soon put a girl alone into a closet to meditate as give her only the society of her needle.

We especially need imagination in science.

Whatever you may look like, marry a man your own age - as your beauty fades, so will his eyesight.

A bad manner spoils everything, even reason and justice a good one supplies everything, gilds a No, sweetens a truth, and adds a touch of beauty to old age itself.

Our scientific age demands that we provide definitions, measurements, and statistics in order to be taken seriously. Yet most of the important things in life cannot be precisely defined or measured. Can we define or measure love, beauty, friendship, or decency, for example?

I'm very accepting with my age. It's like notches on your belt: experience, wisdom, and a different kind of beauty. There comes a day when you've become comfortable in your skin.

It were a real increase of human happiness, could all young men from the age of nineteen be covered under barrels, or rendered otherwise invisible and there left to follow their lawful studies and callings, till they emerged, sadder and wiser, at the age of twenty-five.

Oh, if I had been loved at the age of seventeen, what an idiot I would be today. Happiness is like smallpox: if you catch it too soon, it can completely ruin your constitution.

You get to a certain age where you prepare yourself for happiness. Sometimes you never remember to actually get happy.

I learned from a very young age that if I pursued the things that truly excited me, that they would reward in more important ways, like happiness.