We princes are set as it were upon stages in the sight and view of the world.

In the increasingly convincing darkness the words become palpable, like a fruit that is too beautiful to eat.

That which can be asserted without evidence, can be dismissed without evidence.

There is a real magic in enthusiasm. It spells the difference between mediocrity and accomplishment

The cure for boredom is curiosity.There is no cure for curiosity.

I must uphold my ideals, for perhaps the time will come when I shall be able to carry them out.

Parents are usually more careful to bestow knowledge on their children rather than virtue, the art of speaking well rather than doing well; but their manners should be of the greatest concern.

I have great faith in fools; self-confidence my friends call it.

The good times of today are the sad thoughts of tomorrow.

I am not ashamed to confess that I am ignorant of what I do not know.

But there is only one thing which gathers people into seditious commotion, and that is oppression

If you follow every dream, you might get lost.

Children show me in their playful smiles the divine in everyone.

There's real poetry in the real world. Science is the poetry of reality

I am not now That which I have been.

The day of individual happiness has passed

Fear may come true that which one is afraid of.

Any non-commissioned officer is more of an enemy to a recruit, any schoolmaster to a pupil, then they are if they were free.

Science is not only compatible with spirituality; it is a profound source of spirituality.

True valor lies between cowardice and rashness.

Deep in the human unconscious is a pervasive need for a logical universe that makes sense. But the real universe is always one step beyond logic.