Be ashamed to die until you have won some victory for humanity.

As each generation comes into the world devoid of knowledge, its first duty is to obtain possession of the stores already amassed. It must overtake its predecessors before it can pass by them.

The most precious wine is produced upon the sides of volcanoes. Now bold and inspiring ideals are only born of a clear head that stands over a glowing heart.

Be careful never to retire to rest in a room not properly ventilated.

Ignorance breeds monsters to fill up the vacancies of the soul that are unoccupied by the verities of knowledge.

In trying to teach children a great deal in a short time, they are treated not as though the race they were to run was for life, but simply a three-mile heat.

In what pagan nation was Moloch ever propitiated by such an unbroken and swift-moving procession of victims as are offered to this Moloch of Christendom, intemperance.