Joy's smile is much closer to tears than laughter.

Every bird which flies has the thread of the infinite in its claw.

Nature is pitiless; she never withdraws her flowers, her music, her fragrance, and her sunlight from before human cruelty or suffering.

How did it happen that their lips came together? How does it happen that birds sing, that snow melts, that the rose unfolds, that the dawn whitens behind the stark shapes of trees on the quivering summit of the hill? A kiss, and all was said.

Jesus wept; Voltaire smiled. From that divine tear and from that human smile is derived the grace of present civilization.

True thinkers are characterized by a blending of clearness and mystery.

Everything bows to success, even grammar.