All great truths begin as blasphemies.

         —George Bernard Shaw

What upsets me is not that you lied to me, but that from now on I can no longer believe you.

               —Friedrich Wilhelm

                                   Nietzsche

Whoever undertakes to set himself up as a judge of Truth and Knowledge is shipwrecked by the laughter of the gods.

                    —Albert Einstein

                                                    

Truth often suffers more by the heat of its defenders than the arguments of its opposers.

                        —William Penn

Truth exists, only falsehood has to be invented.

                    —Georges Braque

He who sees the truth, let him proclaim it, without asking who is for it or who is against it.

                        —Henry George

I cannot give any scientist of any age better advice than this: the intensity of a conviction that a hypothesis is true has no bearing over whether it is true or not.

                     —Peter Medawar

If we all worked on the assumption that what is accepted as true is really true, there would be little hope of advance.

                       —Orville Wright

If you tell the truth, you don’t have to remember anything.

                           —Mark Twain

It is easier to find a score of men wise enough to discover the truth than to find one intrepid enough, in the face of opposition, to stand up for it.

                             —A.A. Hodge

The most dangerous of all falsehoods is a slightly distorted truth.

                  —G.C. Lichtenberg

There are only two mistakes one can make along the road to truth; not going all the way, and not starting.

                                   —Buddha

The enemies of the truth are always awfully nice.

             —Christopher Morley

The great enemy of the truth is very often not the lie – deliberate, contrived, and dishonest– but the myth– persistent, persuasive, and unrealistic.

  — John Fitzgerald Kennedy

It is the calling of great men, not so much to preach new truths, as to rescue from oblivion those old truths which it is our wisdom to remember and our weakness to forget.

                        —Sidney Smith

It takes two to speak the truth: one to speak, and another to hear.

          —Henry David Thoreau