A man is but the product of his thoughts what he thinks, he becomes.

A man is but the product of his thoughts what he thinks, he becomes.

I think-therefore I'm single

I think-therefore I'm single

Clear thinking requires courage rather than intelligence.

Clear thinking requires courage rather than intelligence.

A man thinking or working is always alone, let him be where he
will.

A man thinking or working is always alone, let him be where he
will.

Every madman thinks all other men mad.

Every madman thinks all other men mad.

There are some days I practice positive thinking, and other days I'm not positive I am thinking.

There are some days I practice positive thinking, and other days I'm not positive I am thinking.

We shall require a substantially new manner of thinking if
mankind is to survive.

We shall require a substantially new manner of thinking if
mankind is to survive.

No man is sane who does not know how to be insane on the proper occasions.

No man is sane who does not know how to be insane on the proper occasions.

I think and think for months and years. Ninety-nine times, the conclusion is false. The hundredth time I am right.

I think and think for months and years. Ninety-nine times, the conclusion is false. The hundredth time I am right.