A gem cannot be polished without friction, nor a man perfected without trials.

It is a rough road that leads to the heights of greatness.

One of the most beautiful qualities of true friendship is to understand and to be understood.

The day which we fear as our last is but the birthday of eternity.

In war there is no prize for runner-up.

It is another's fault if he be ungrateful, but it is mine if I do not give. To find one thankful man, I will oblige a great many that are not so.

The bravest sight in the world is to see a great man struggling against adversity.

He who is brave is free.

No one can be happy who has been thrust outside the pale of truth. And there are two ways that one can be removed from this realm: by lying, or by being lied to.

The wish for healing has always been half of health.

Anger, if not restrained, is frequently more hurtful to us than the injury that provokes it.

The Angel of Death is the invisible Angel of Life.

Cut your goals into tiny units of work and think only about one unit at a time.

It is foolish to regret anything form one's past.

Nothing can inspire religious duty or animation but religion.

If you look at life one way, there is always cause for alarm.

Many friends are the key to happiness

I do not know what I may appear to the world, but to myself I seem to have been only a boy playing on the seashore.

Scientists who have dedicated their lives to building machines that think, feel that it's only a matter of time before some form of consciousness is captured in the laboratory.

If we talk about pure abilities and skills, I believe there should be no reason why women cannot play as well as men.

When I was younger and was working as a Dia guard I would go to see everything. I went to every opening. I was really interested in seeing and learning as much as I could.