That man is always happy who is in the presence of something which he cannot know to the full, which he is always going on to know.

It is only by labour that thought can be made healthy, and only by thought that labour can be made happy, and the two cannot be separated with impunity.

The history of humanity is not the history of its wars, but the history of its households.

No individual rain drop ever considers itself responsible for the flood.

The truth of Nature is a part of the truth of God; to him who does not search it out, darkness; to him who does, infinity.

The names of great painters are like passing-bells: in the name of Velasquez you hear sounded the fall of Spain; .in the name of Titian, that of Venice; in the name of Leonardo, that of Milan; in the name of Raphael, that of Rome. And there is profound justice in this, for in proportion to the nobleness of the power is the guilt of its use for purposes vain or vile; and hitherto the greater the art, the more surely has it been used, and used solely, for the decoration of pride or the provoking of sensuality.

Compulsory education... It is a painful, continual, and difficult work; to be done by kindness, by watching, by warning, by precept, and by praise, — but above all — by example.