Deep are the foundations of sincerity. Even stone walls have their foundation below the frost.

Nay, be a Columbus to whole new continents and worlds within you, opening new channels, not of trade, but of thought.

You can hardly convince a man of an error in a lifetime, but must content yourself with the reflection that the progress of science is slow. If he is not convinced, his grandchildren may be.

I have not read far in the statutes of this Commonwealth. It is not profitable reading. They do not always say what is true; and they do not always mean what they say.

Pray, for what do we move ever but to get rid of our furniture, our exuviæ; at last to go from this world to another newly furnished, and leave this to be burned?

Who is old enough to have learned from experience?

Not till we are completely lost, or turned round, do we appreciate the vastness and strangeness of Nature.