War is an ugly thing， but not the ugliest of things； the decayed and degraded state of moral and patriotic feeling which thinks that nothing is worth war is much worse.

The moment you doubt whether you can fly, you cease forever to be able to do it.

Sustainability is not an option; it's a responsibility we owe to future generations.

A fisherman's wisdom lies not in how much he catches, but in how much he leaves behind.