Cultivating clear thinkers

E. R. Braithwaite’s book, ‘To Sir With Love’, portrays a scene where a character stands in a  contemplative mood. Thinking he’s alone, lost in his own thoughts, he stands there, a lone, forlorn figure, forever captured in the imagination of the reader.

But then, with a sudden start, he becomes aware of someone watching him in silence. His posture changes,