It is one planet and we all have a duty to protect it. We have to work together. We have to use… — Julie Payette Copy Share Image
Even before the concentration camps, I felt it was my duty to my ancestors to preserve a world that might cease to… — Roman Vishniac Copy Share Image
Perhaps we shall also have to hold in check other coloured peoples who will soon be in their certain prime, and thus… — Heinrich Himmler Copy Share Image
The most important thing is to preserve the world we live in. Unless people understand and learn about our world, habitats, and… — Jack Hanna Copy Share Image
