Each human being has the right to seek out joy, joy being understood as something which makes one content - not necessarily that which makes others content.
Man is a mystery. It needs to be unravelled, and if you spend your whole life unravelling it, don't say that you've wasted time. I am studying that mystery because I want to be a human being.
Who is more humble? The scientist who looks at the universe with an open mind and accepts whatever the universe has to teach us, or somebody who says everything in this book must be considered the literal truth and never mind the fallibility of all the human beings involved?
Behold the child, by Nature's kindly law, Pleased with a rattle, tickled with a straw; Some livelier plaything gives his youth delight, A little louder, but as empty quite; Scarfs, garters, gold, amuse his riper stage, And beads and prayer-books are the toys of age. Pleased with this bauble still, as that before, Till tired he sleeps, and life's poor play is o'er.
Nothing truly valuable arises from ambition or from a mere sense of duty; it stems rather from love and devotion towards men and towards objective things.