Related:

• In these matters the only certainty is that nothing is certain. -- Pliny the Elde
• In these matters the only certainty is that there is nothing certain. -- Pliny the Elde
• The only certainty is that nothing is certain. -- Pliny the Elde
• There are two modes of acquiring knowledge, namely reasoning and experience.
  Reasoning draws a conclusion and makes us grant the conclusion, but does not make the conclusion certain, not does it remove doubt so that the main may rest on the intuition of truth, unless that mind discovers it by the path of experience....
• There is nothing certain except the unforeseen. FRAUDE
• The only certain thing in life is death.
• Man is the only one that knows nothing, that can learn nothing without being taught.
  He can neither speak nor walk nor eat, and in short he can do nothing at the prompting of nature only, but weep....
• The human features and countenance, although composed of but some ten parts or little more
  are so fashioned that among so many thousands of men there are no two in existence who cannot be distinguished from one another....
• Nothing is 100% certain, bug free or IBM compatible.