For a man to achieve all that is demanded of him he must regard himself as greater than he is.
Everyone is a genius at least once a year; a real genius has his original ideas closer together.
'Tis the sharpness of our mind that gives the edge to our pains and pleasures.
The mind petrifies if a circle be drawn around it, and it can hardly be that dogma draws a circle round the mind.
It is the mind that maketh good or ill, That maketh wretch or happy, rich or poor.