The trouble with thinking was that, once you started, you went on doing it.
The scientists of today think deeply instead of clearly. One must be sane to think clearly, but one can think deeply and be quite insane.
The revolutionary and critical thinker is in a certain way always outside of his society while of course he is at the same time also in it.
The only religious way to think of death is as part and parcel of life; to regard it, with the understanding and the emotions, as the the inviolable condition of life.
The most common way people give up their power is by thinking they don’t have any.
The man who doesn’t make up his mind to cultivate the habit of thinking misses the greatest pleasure in life.
The human mind works at low efficiency. Twenty percent is the figure usually given. When, momentarily, there is a flash of greater power it is termed a hunch, or insight, or intuition.
The chief thing is to learn to think bluntly. Blunt thinking is great thinking.[Die Hauptsache ist, plump denken lernen. Plumpes Denken, das ist das Denken der Großen.]
The capacity for directed thinking I call intellect; the capacity for passive or undirected thinking I call intellectual intuition.[Das Vermögen des gerichteten Denken bezeichne ich als Intellekt, das Vermögen des passiven oder nicht gerichteten Denken bezeichne ich als intellektuelle Intuition.]
The best thinking has been done in solitude. The worst has been done in turmoil.
Take time to deliberate, but when the time for action has arrived, stop thinking and go in.
Take the paradox away from a thinker – and you have a professor.[Tag Paradoxet bort fra en Tænker – saa har Du en Professor.]
