It often takes more courage to change one's opinion than to stick to it.

Everyone is a genius at least once a year. The real geniuses simply have their bright ideas closer together.

A book is a mirror: if an ape looks into it an apostle is hardly likely to look out.

With most men, unbelief in one thing springs from blind belief in another.

A person reveals his character by nothing so clearly as the joke he resents.

The fly that doesn't want to be swatted is most secure when it lights on the fly-swatter.

What I do not like about our definitions of genius is that there is in them nothing of the day of judgment, nothing of resounding through eternity and nothing of the footsteps of the Almighty.

If we thought more for ourselves we would have very many more bad books and very many more good ones.

It is almost impossible to carry the torch of truth through a crowd without singeing somebody's beard.

Man…who lives in three places – in the past, in the present, and in the future – can be unhappy if one of these three is worthless. Religion has even added a fourth – eternity.

Where the frontier of science once was is now the centre.

(the whole world is at thethroat of the world, everybody feels angry, short-changed, cheated, everybody is despondent, disillusioned.)I welcomed shots of peace, tattered shards ofhappiness.

...Mom equated money with affection...but I never cared about the money. I just wanted her to be healthy.

Dogs are special that way—you can ignore them or yell at them, they always forgive you. —Madison

Positive thinking may seem like a fairly basic thing, but I know people who, when asked if they understand the importance of positive affirmations, reply, "Yes! I'm positive things will not work out!

Neither in the life of the individual nor in that of mankind is it desirable to know the future.

If you don't know what makes green, you're going to try every color combination.

When you finish a film, if you believed in your character, you're empty.

The inmates are ghosts whose dreams have been murdered.

When an idea reaches critical mass there is no stopping the shift its presence will induce.

You'll remember someone who broke your heart, and you'll think to yourself, 'Oh yes, I remember how that feels.' But you can't.