Each traveler should know what he has to see, and what properly belongs to him, on a journey.

It is a mistake for a taciturn, serious-minded woman to marry a jovial man, but not for a serious-minded man to marry a lighthearted woman.

The important thing in life is to have a great aim, and the determination to attain it.

The history of knowledge is a great fugue in which the voices of the nations one after the other emerge.

Know'st thou the land where the lemon-trees bloom, Where the gold orange glows in the deep thicket's gloom, Where a wind ever soft from the blue heaven blows, And the groves are of laurel and myrtle and rose!

Every decided colour does a certain violence to the eye, and forces the organ to opposition.

Certain books seem to be written, not that we might learn from them, but in order that we might see how much the author knows.