The future of energy is diverse - there is no single solution.
Creativity in science is as important as technical skill.
To signal an emergency， use the rule of three； 3 shouts， 3 horn blasts， or 3 whistles.
Arriving at one goal is the starting point to another.
The best way to predict the future is to invent it.
Mental processes are tools for living, and their worth is in their use.
