追求幸福与追求快乐不同;幸福是灵魂的一种状态,而不仅仅是感觉。
宁可一人受苦,不使民族悲伤。
Growth itself contains the germ of happiness.
Positivity transforms us for the better. By opening our hearts and minds, positive emotions allow us to discover and build new skills, new ties, new knowledge, and new ways of being.
Mathematics is not a spectator sport; you have to play to understand.