To imagine means to make images and to move them about inside one's head in new arrangements. - Jacob Bronowski

We cannot change our character, we can only enlarge it. If we are wise, then we go on learning all through life, and go on fitting what is new to what we have learnt before, piece by piece.

A good prediction is one which defines its area of uncertainty; a bad prediction ignores it.

Can science heal that neurotic flaw in us? If science cannot, then nothing can. Let us stop pretending. There is no cure in high moral precepts. We have preached them too long to men who are forced to live how they can: that makes the strain which they have not been able to bear. We need an ethic which is moral and which works. It is often said that science has destroyed our values and put nothing in their place. What has really happened of course is that science has shown in harsh relief the division between our values and our world. We have not begun to let science get into our heads; where then was it supposed to create these values?