Experiments are mediators between nature and idea.

Only the heart without a stain knows ease.

The deepest, the only theme of human history, compared to which all others are of subordinate importance, is the conflict of skepticism with faith.

The art of living rightly is like all arts; it must be learned and practiced with incessant care.

Smoothly and lightly the golden seed by the furrow is covered.

Hell begins the day that God grants you the vision to see all that you could have done, should have done, and would have done, but did not do.

Once I blazed across the sky, Leaving trails of flame; I fell to earth, and here I lie - Who'll help me up again? -A Shooting Star