Spiritual favors are not always to be looked for, and not always to be relied on.
All changes are more or less tinged with melancholy, for what we are leaving behind is part of ourselves.
The great difference between voyages rests not with the ships, but with the people you meet on them.
Injustice is a sixth sense, and rouses all the others.
All revolutions are treason until they are accomplished.
... though mathematics may teach a man how to build a bridge, it is what the Scotch Universities call the humanities, that teach him to be civil and sweet-tempered.