Geh nicht immer auf dem vorgezeichneten Weg, der nur dahin führt, wo andere bereits gegangen sind. - Alexander Graham Bell

Concentrate all your thoughts on the task at hand. The sun's rays do not burn until brought to a focus.

When one door closes, another opens; but we often look so long and so regretfully upon the closed door that we do not see the one that has opened for us.

Perseverance must have some practical end, or it does not avail the man possessing it. A person without a practical end in view becomes a crank or an idiot. Such persons fill our asylums.