All life is problem solving.

Karl Popper

All evils are caused by lack of knowledge.

David Deutsch

Prediction without explanation is prophecy.

David Deutsch

All things are impermanent. Death comes without warning. This body too will be a corpse.

Yongey Mingyur Rinpoche

The problem is not enjoyment; the problem is attachment.

Tilopa

It is the mark of an educated mind to be able to entertain a thought without accepting it.

Aristotle

Matter flows from place to place, and momentarily comes together to be you.

Richard Dawkins

Somewhere, something incredible, is waiting to be known.

Carl Sagan

If you wish to make an apple pie from scratch, you must first invent the universe.

Carl Sagan

We are a way for the cosmos to know itself.

Carl Sagan

Those who are governed by reason, desire nothing for themselves which they do not also desire for the rest of humankind.

Baruch Spinoza

In fact, every time you breathe out, it is not all that certain that you will breathe in again.

Dilgo Khyentse Rinpoche

Think carefully about pain and suffering and ask yourself who or what it is that is suffering.

Khenpo Tsültrim

Samsara is like making a mistake, and nirvana is like when you stop making it.

Khenpo Tsültrim

Artists and philosophers agree on one thing: one of their self-appointed tasks is to 'make the familiar strange.'

Daniel Dennett

Meta-advice: don't take any advice too seriously!

Daniel Dennett

Philosophy — in every field of inquiry — is what you have to do until you figure out what questions you should have been asking in the first place.

Daniel Dennett

There is no reason to suppose that the world had a beginning at all. The idea that things must have a beginning is really due to the poverty of our imagination.

Bertrand Russell

How do we turn confusion into wisdom? First, we need to understand what confusion is. Confusion is taking what isn't for what is.

Tulku Urgyen Rinpoche

It is said that all sentient beings are buddhas, but they are covered by their temporary obscurations. These 'temporary obscurations' are our own thinking.

Tulku Urgyen Rinpoche