A fool thinks himself to be wise, but a wise man knows himself to be a fool.
Life is either a great adventure or nothing.
Not till we are completely lost or turned around... Do we begin to find ourselves.
Trying to be happy by accumulating possessions is like trying to satisfy hunger by taping sandwiches all over your body.
But worst of all when you are the slave-driver of yourself
It is the weight, not numbers of experiments that is to be regarded.
When I die, I want people to play my music, go wild and freak out and do anything they want to do.
Give me a child and I'll shape him into anything.
The transmissibility of avian viruses may increase as the viruses adapt to humans
Business, that's easily defined - it's other people's money.
Ever has it been that love knows not its own depth until the hour of separation.
Society does not consist of individuals but expresses the sum of interrelations, the relations within which these individuals stand.
I have always felt it is my destiny to build a machine that would allow man to fly.
Women who seek to be equal with men lack ambition.
Life is wide, limitless. There is no border, no frontier.
A good friend will always stab you in the front.
Wise men speak because they have something to say; Fools because they have to say something.
Slavery is a weed that grows on every soil.
Liberty does not exist in the absence of morality.
My theory on housework is, if the item doesn't multiply, smell, catch fire, or block the refrigerator door, let it be. No one else cares. Why should you?
All truly great thoughts are conceived by walking.
I have been up against tough competition all my life. I wouldn't know how to get along without it.
Those who dance are considered insane by those who cannot hear the music.
Nothing endures but personal qualities.