I think it's important to be kind and compassionate and to treat people with respect.
Technology should serve sustainability, not the other way around.
The best moments in our lives are not the passive, receptive, relaxing times... The best moments usually occur if a person's body or mind is stretched to its limits in a voluntary effort to accomplish something difficult and worthwhile.
In mathematics, the journey of discovery is often more rewarding than the destination itself.
The more you sweat in peace, the less you bleed in war.