Ideas can only be useful when they come to life in many minds.
Nature has to be felt.
Cruelty against animals is one of the most specific signs of ignorant people.
Truth is very valuable, finding truth is even better.
Traveling for the first time has something very touching to it.
Even in science, one of the strongest incentives is jealousy.
It's more important how humans handle their destiny, than what it actually is.
Man has to strive for the good and the great. Everything else is made by destiny.