It is always wise to look ahead, but difficult to look further than you can see.

Although personally I am quite content with existing explosives, I feel we must not stand in the path of improvement.

A heightened sense of the observation of nature is one of the chief delights that have come to me through trying to paint.

Never, never, never give up.

There are men in the world who derive an exaltation from the proximity of disaster and ruin, as other from success.

How I hated schools, and what a life of anxiety I lived there. I counted the hours to the end of every term, when I should return home.

A man who gets the reputation of rising at dawn can sleep to noon.