Absence of evidence is not evidence of absence.

Quote by Carl Sagan

Topics: Absence Quotes, Knowledge Quotes, Logic Quotes

I can find in my undergraduate classes, bright students who do not know that the...

I can find in my undergraduate classes, bright students who do not know that the...

The universe seems neither benign nor hostile, merely indifferent.

The universe seems neither benign nor hostile, merely indifferent.

A celibate clergy is an especially good idea, because it tends to suppress any hereditary...

A celibate clergy is an especially good idea, because it tends to suppress any hereditary...

We've arranged a civilization in which most crucial elements profoundly depend on science and technology.

We've arranged a civilization in which most crucial elements profoundly depend on science and technology.

In order to make an apple pie from scratch, you must first create the universe.

In order to make an apple pie from scratch, you must first create the universe.

Somewhere, something incredible is waiting to be known.

Somewhere, something incredible is waiting to be known.

It is said that men may not be the dreams of the Gods, but rather...

It is said that men may not be the dreams of the Gods, but rather...

For small creatures such as we the vastness is bearable only through love.

For small creatures such as we the vastness is bearable only through love.

When you make the finding yourself - even if you're the last person on Earth...

When you make the finding yourself - even if you're the last person on Earth...

The universe is not required to be in perfect harmony with human ambition.

The universe is not required to be in perfect harmony with human ambition.

We have also arranged things so that almost no one understands science and technology. This...

We have also arranged things so that almost no one understands science and technology. This...

Science is a way of thinking much more than it is a body of knowledge.

Science is a way of thinking much more than it is a body of knowledge.

We live in a society exquisitely dependent on science and technology, in which hardly anyone...

We live in a society exquisitely dependent on science and technology, in which hardly anyone...

Imagination will often carry us to worlds that never were. But without it we go...

Imagination will often carry us to worlds that never were. But without it we go...

For me, it is far better to grasp the Universe as it really is than...

For me, it is far better to grasp the Universe as it really is than...

It is far better to grasp the universe as it really is than to persist...

It is far better to grasp the universe as it really is than to persist...

Extraordinary claims require extraordinary evidence

Extraordinary claims require extraordinary evidence

Logic is the anatomy of thought

Logic is the anatomy of thought

Bad reasoning as well as good reasoning is possible; and this fact is the foundation...

Bad reasoning as well as good reasoning is possible; and this fact is the foundation...

I am beyond logic and rationality.

I am beyond logic and rationality.