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.
Everything passes. Nobody gets anything for keeps. And that's how we've got to live.
One day, in retrospect, the years of struggle will strike you as the most beautiful.
Stop acting as if life is a rehearsal. Live this day as if it were your last. The past is over and gone. The future is not guaranteed.
Behind every beautiful thing, there's some kind of pain.
Middle age has been defined as what happens when a person's broad mind and narrow waist change places.
Life is made up of marble and mud.
Have no fear of perfection - you'll never reach it.
All my life through, the new sights of nature made me rejoice like a child.
You only live once, but if you do it right, once is enough.
The desire to fly is an idea handed down to us by our ancestors who... looked enviously on the birds soaring freely through space... on the infinite highway of the air
Fortune cannot aid those who do nothing.
Anybody can dig a hole and plant a tree. But make sure it survives. You have to nurture it, you have to water it, you have to keep at it until it becomes rooted so it can take care or itself. There are so many enemies of trees.
Sow a thought and you get an act; Sow an act and you get a habit; Sow a habit and you get a character; Sow a character and you get a destiny.
Exceptional claims demand exceptional evidence.
Until you value yourself, you won't value your time. Until you value your time, you will not do anything with it.
Science is the most reliable guide for civilization, for life, for success in the world. Searching a guide other than the science is meaning carelessness, ignorance and heresy.
Life is a tragedy when seen in close-up, but a comedy in long-shot.
You never know what life is like, until you have lived it.
Each person must live their life as a model for others.
We were all at once terribly alone; and alone we must see it through.