Lucretius. 95-55 b. c

Continual dropping wears away a stone.[706:1]

De Rerum Natura. i. 313.

What is food to one man may be fierce poison to others.[706:2]

De Rerum Natura. iv. 637.

In the midst of the fountain of wit there arises something bitter, which stings in the very flowers.[706:3]

De Rerum Natura. iv. 1133.