The way to understand how different species evolved is to think about the niches that they fill in an ecosystem - basically, how they make a living.Steven Pinker
The study and knowledge of the universe would somehow be lame and defective were no practical results to follow.Cicero
Most nations, as well as people are impossible only in their youth; they become incorrigible as they grow older.Jean-Jacques Rousseau
As you grow older, you will discover that you have two hands, one for helping yourself, the other for helping others.Audrey Hepburn
It is only with the heart that one can see rightly, what is essential is invisible to the eye.Antoine de Saint-Exupéry
