No crime has been without a precedent.

It is not because things are difficult that we do not dare; it is because we do not dare that things are difficult

A sword by itself does not slay; it is merely the weapon used by the slayer.

The important thing about a problem is not its solution, but the strength we gain in finding the solution

Don't stumble over something behind you.

We become wiser by adversity; prosperity destroys our appreciation of the right.

Great men rejoice in adversity, just as brave soldiers triumph in war.

When an author is too meticulous about his style, you may presume that his mind is frivolous and his content flimsy.

There in no one more unfortunate than the man who has never been unfortunate. for it has never been in his power to try himself.

It's all in your headJ you have the power to make things seem hard or easy or even amusing. The choice is yours.

Death is the wish of some, the relief of many, and the end of all.

In a way, I was safe writing

It's impossible to make your eyes twinkle if you aren't feeling twinkly yourself

Students are taught how to do things, but many are not forced to reflect on why they should do them or what we are here for.

All I care for is the inclusion of my name in the list of the believers of the supremacy of human soul over all other masterpieces He has ever produced.

There is a difference between happiness and wisdom: he that thinks himself the happiest man is really so but he that thinks himself the wisest is generally the greatest fool.

Dogs are not people dressed up in fur coats, and to deny them their nature is to do them great harm.

If the veins in the back of your legs look like the street map of greater Pittsburgh, you ain't nobody's babydoll.

I had mostly been writing humor books, and my instinct is generally to go for the joke.

Best selling authors are always worth listening to, even if you choose to ignore their advice.

The missing link between animals and a truly humane mankind is man himself, who does not yet see himself as a part of the world, claiming it instead for himself.