“True opinions are a fine thing and do all sorts of good so long as they stay in their place; but they… — Plato Copy Share Image
True opinions can prevail only if the facts to which they refer are known; if they are not known, false ideas are… — Walter Lippmann Copy Share Image
All true opinions are living, and show their life by being capable of nourishment; therefore of change. But their change is that… — John Ruskin Copy Share Image
Truth gains more even by the errors of one who, with due study and preparation, thinks for himself, than by the true… — John Stuart Mill Copy Share Image
If materialism is true, it seems to me that we cannot know that it is true. If my opinions are the result… — John B. S. Haldane Copy Share Image
“And thus, the actions of life often not allowing any delay, it is a truth very certain that, when it is not… — Rene Descartes Copy Share Image