Remember also that it is not knowledge but the yearning for knowledge that makes for a complete, accomplished man. Such a man does not stand still but perseveres in the face of adversity, nor does he remain untouched by the pain cause by absence. On the contrary, he recognizes himself in each cry, uttered or repressed, in the smallest rift, in the most pressing need.

My students are very special. They are my source of pride, my source of joy, my source of hope. I am terribly fond of my students.

Most people think that shadows follow, precede or surround beings or objects. The truth is that they also surround words, ideas, desires, deeds, impulses and memories.

Be careful with words, they're dangerous. Be wary of them. They begat either demons or angels. It's up to you to give life to one or the other. Be careful, I tell you, nothing is as dangerous as giving free rein to words

It is up to us to determine whether the years ahead will be for humankind a curse or a blessing. We always must remember that it is given to men and women to choose life and living, not death and destruction.

I think that human beings are capable of the worst things possible.

I learned to trust the threats of enemies before the promises of friends.