All the crimes on earth do not destroy so many of the human race nor alienate so much property as drunkenness.

It is the peculiar and perpetual error of the human understanding to be more moved and excited by affirmatives than by negatives

It is impossible to love and to be wise.

I confess that I have as vast contemplative ends, as I have moderate civil ends: for I have taken all knowledge to be my province.

If we are to achieve things never before accomplished we must employ methods never before attempted

If there be fuel prepared, it is hard to tell whence the spark shall come that shall set it on fire.

It would be unsound fancy and self-contradictory to expect that things which have never yet been done can be done except by means which have never yet been tried.