True leadership in aggregates means balancing productivity with planetary responsibility.
In modern life nothing produces such an effect as a good platitude. It makes the whole worldkin.
True progress measures success by both harvests and habitats.
情绪就像计算机的输出设备 - 它们激发行动来解决特定的适应性问题。
In mathematics, the most profound ideas often arise from the simplest observations.