There is no worse bitterness than to reach the end of your life and realized you have not lived.

To conceal anything from those to whom I am attached, is not in my nature. I can never close my lips where I have opened my heart.

Courage is a kind of salvation.

I am an American; free born and free bred, where I acknowledge no man as my superior, except for his own worth, or as my inferior, except for his own demerit.

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

Those who want to live, let them fight, and those who do not want to fight in this world of eternal struggle do not deserve to live.

Don't own so much clutter that you will be relieved to see your house catch fire.

To live is to be musical, starting with the blood dancing in your veins. Everything living has a rhythm. Do you feel your music?

To cherish what remains of the Earth and to foster its renewal is our only legitimate hope of survival.

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.

What goes up must come down.

Most people are other people. Their thoughts are someone else's opinions, their lives a mimicry, their passions a quotation.

The rich will do anything for the poor but get off their backs.

The only creatures that are evolved enough to convey pure love are dogs and infants.

I'd trade all my tomorrows for a single yesterday.

Until you value yourself, you won't value your time. Until you value your time, you will not do anything with it.

As soon as you trust yourself, you will know how to live.

I think the highest and lowest points are the important ones. Anything else is just...in between.

Colors, like features, follow the changes of the emotions.

Speed and efficiency do not always increase the quality of life.

Hard work, disciplined habits, modesty in living, contentment and cheerfulness.