Plagiarists are always suspicious of being stolen from.

No man was ever yet a great poet, without being at the same time a profound philosopher.

...in consequence of the film of familiarity and selfish solicitude, we have eyes yet see not, ears that hear not, and hearts that neither feel nor understand.

All nature seems at work.

If a man is not rising upward to be an angel, depend on it, he is sinking downward to be a devil.

Never can true courage dwell with them, Who, playing tricks with conscience, dare not look At their own vices.

One thought includes all thought, in the sense that a grain of sand includes the universe.