Both poetry and philosophy are prodigal of eulogy over the mind which ransoms itself by its own energy from a captivity to custom, which breaks the common bounds of empire, and cuts a Simplon over mountains of difficulty for its own purposes, whether of good or of evil.

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

Scientific truth is marvelous, but moral truth is divine and whoever breathes its air and walks by its light has found the lost paradise.

When the panting and thirsting soul first drinks the delicious waters of truth, when the moral and intellectual tastes and desires first seize the fragrant fruits that flourish in the garden of knowledge, then does the child catch a glimpse and foretaste of heaven.

False conclusions which have been reasoned out are infinitely worse than blind impulse.

Knowledge is but an instrument, which the profligate and the flagitious may use as well as the brave and the just.

Under the Providence of God, our means of education are the grand machinery by which the 'raw material' of human nature can be worked up into inventors and discoverers, into skilled artisans and scientific farmers, into scholars and jurists, into the founders of benevolent institutions, and the great expounders of ethical and theological science.