Many a man gets weary of clamping down on his rough impulses, which if given occasional release would encourage the living of life with salt in it, in place of dust. – Henry S. Haskins
Excessive reservations and paralyzing despondency have not helped the sciences to advance nor are they helping them to advance, but a healthy optimism that cheerfully searches for new ways to understand, as it is convinced that it will be possible to find them. – Alois Alzheimer