So many people have this idea: I want to achieve something great or be somebody great. And they neglect the step that leads to greatness. They don't honor this step at this moment because they have this idea of some future moment where they are going to be great.

Yesterday is but today's memory and tomorrow is today's dream.

An understanding of the natural world is a source of not only great curiosity, but great fulfilment.

Do your little bit of good where you are; it's those little bits of good put together that overwhelm the world.

Yesterday I was clever, so I wanted to change the world. Today I am wise, so I am changing myself.

It is always advisable to perceive clearly our ignorance.

I have no desire to make windows into mens souls

Those who dance are considered insane by those who cannot hear the music.

Real knowledge is to know the extent of one's ignorance.

The only way to get the best of an argument is to avoid it.

The absent are never without fault, nor the present without excuse.

Madame, all stories, if continued far enough, end in death, and he is no true-story teller who would keep that from you.

We sometimes congratulate ourselves at the moment of waking from a troubled dream; it may be so the moment after death.

And no one will listen to us until we listen to ourselves.

Admiration is the daughter of ignorance.

How often it is that the angry man rages denial of what his inner self is telling him.

There is geometry in the humming of the strings. There is music in the spacing of the spheres.

Wonder is the beginning of wisdom.

The more that you read, the more things you will know. The more that you learn, the more places you'll go.

Power always thinks it has a great soul and vast views beyond the comprehension of the weak.

The one you buy will be the only one that doesn't work.