I've had a perfectly wonderful evening, but this wasn't it.

A good liar must have a good memory.

Common sense is the most widely shared commodity in the world, for every man is convinced that he is well supplied with it.

There is a real magic in enthusiasm. It spells the difference between mediocrity and accomplishment

When people talk of the freedom of writing, speaking or thinking I cannot choose but laugh. No such thing ever existed. No such thing now exists; but I hope it will exist. But it must be hundreds of years after you and I shall write and speak no more.

A man of honour should never forget what he is because he sees what others are.

You will always be fond of me. I represent to you all the sins you never had the courage to commit.

I have noticed even people who claim everything is predestined, and that we can do nothing to change it, look before they cross the road.

New opinions are always suspected, and usually opposed, without any other reason but because they are not common.

Be that self which one truly is.

I find it rather easy to portray a businessman. Being bland, rather cruel and incompetent comes naturally to me.

How vain it is to sit down to write when you have not stood up to live.

Reverence does not die with mortals, nor does it perish whether they live or die.

Remember upon the conduct of each depends the fate of all.

To turn really interesting ideas and fledgling technologies into a company that can continue to innovate for years, it requires a lot of disciplines.

I like to think of myself at home in the armchair, writing, smoking and occasionally wandering down the shop.

No matter how thin you slice it, there will always be two sides.

I meant what I said and I said what I meant.

The day of individual happiness has passed

I am not a saint, unless you think of a saint as a sinner who keeps on trying.

Effective action is always unjust.