I love deadlines. I like the whooshing sound they make as they fly by.

Your personal nature seeks its paradise.

When it is not in our power to determine what is true, we ought to follow what is most probable.

The fascination of shooting as a sport depends almost wholly on whether you are at the right or wrong end of the gun.

Rich men's houses are seldom beautiful, rarely comfortable, and never original. It is a constant source of surprise to people of moderate means to observe how little a big fortune contributes to Beauty.

Of puns it has been said that those who most dislike them are those who are least able to utter them.

He who never made a mistake, never made a discovery.

After all, science is essentially international, and it is only through lack of the historical sense that national qualities have been attributed to it.

Anything that makes weak - physically, intellectually and spiritually, reject it as poison.

My idea of an agreeable person is a person who agrees with me.

The difficulty is to try and teach the multitude that something can be true and untrue at the same time.

All animals are equal, but some animals are more equal than others.

A scientific man ought to have no wishes, no affections, - a mere heart of stone.

Tradition becomes our security, and when the mind is secure it is in decay.

Worry is the interest paid by those who borrow trouble.

Experience without theory is blind, but theory without experience is mere intellectual play.

I will indulge my sorrows, and give way to all the pangs and fury of despair.

Comedy is acting out optimism.

Some newspapers are fit only to line the bottom of bird cages.

Don't send me flowers when I'm dead. If you like me, send them while I'm alive.

Of all the things I`ve lost I miss my mind the most.