In mathematics I can report no deficiency, except it be that men do not sufficiently understand the excellent use of Pure Mathematics.
Nature is often hidden, sometimes overcome, seldom extinguished.
A graceful and pleasing figure is a perpetual letter of recommendation.
To spend too much time in studies is sloth.
When a man laughs at his troubles he loses a great many friends. They never forgive the loss of their prerogative.
Truth is a naked and open daylight