Nothing in life is to be feared, it is only to be understood. Now is the time to understand more, so that we may fear less.
The most important scientific revolutions all include, as their only common feature, the dethronement of human arrogance from one pedestal after another of previous convictions about our centrality in the cosmos.
I contemplate with sovereign reverence that act of the whole American people which declared that their legislature should make no law respecting an establishment of religion, or prohibiting the free exercise thereof, thus building a wall of separation between church and state.
Science knows no country, because knowledge belongs to humanity, and is the torch which illuminates the world.