To dwell on the things that depress or anger us does not help in overcoming them. One must knock them down alone.
Love is a better teacher than duty.
In my view, it is the most important function of art and science to awaken this feeling and keep it alive in those who are capable of it.
Necessity is the mother of all invention.
It is a miracle that curiosity survives formal education.
Don't wait for miracles, your whole life is a miracle.