Politeness is to human nature what warmth is to wax.

All truth passes through three stages. First, it is ridiculed. Second, it is violently opposed. Third, it is accepted as being self-evident.

It is difficult to find happiness within oneself, but it is impossible to find it anywhere else.

The majority of men... are not capable of thinking, but only of believing, and... are not accessible to reason, but only to authority.

Talent hits a target no one else can hit; Genius hits a target no one else can see.

A man can be himself only so long as he is alone; and if he does not love solitude, he will not love freedom; for it is only when he is alone that he is really free.

Man is the only animal who causes pain to others with no other object than wanting to do so.

Genius and madness have something in common: both live in a world that is different from that which exists for everyone else.

A pessimist is an optimist in full possession of the facts.

Religions are like fireflies. They require darkness in order to shine.

Nature shows that with the growth of intelligence comes increased capacity for pain, and it is only with the highest degree of intelligence that suffering reaches its supreme point.

The human comedy is always tragic, but since its ingredients are always the same—dupe, fox, straight, like burlesque skits—the repetition through the ages is comedy.

Like any other tool for facilitating the completion of a questionable task, rewards offer a "how" answer to what is really a "why" question.

It is the hour of departure, the hard cold hour which the night fastens to all timetables.

A musician must make music an artist must paint a poet must write if he to be at peace with himself. What a man can be he must be.

You can go from creating the design on your iPad to making the object on your MakerBot.

Remember, it goes beyond reducing WIP. Being able to take needless work out of the system is more important than being able to put more work into the system.

O! Where are you going With beards all a-wagging? No knowing, no knowing What brings Mister Baggins, And Balin and Dwalin down into the valley in June ha! ha!

A good marriage is not one where perfection reigns: it is a relationship where a healthy perspective overlooks a multitude of "unresolvables."

The ability to relax and be mindfully present in the moment comes naturally when we are grateful.

No Kill may be defined by what happens to the animals within the halls of the shelter, but it can only be achieved by what happens outside of them.