Pessimism and hopelessness are two assassins that have been hired by very ourselves to kill ourselves!

The wisdom of the Moon is greater than the wisdom of the Earth, because the Moon sees the universe better than the Earth can see it!

We can't see and we can't reach the frontiers of our ignorance; we can only approach to it by extending our knowledge.

If you are close to a precipice, go away a bit; if you are far from it, come close a bit! Enjoy the safety, enjoy the view! Without safety, it is dangerous; without view, it is dull! Life is an art of adjusting the distances!

Fame is like a suffocating castle sieged by the enemy.

Nature is my temple; trees are my priests; birds, my rabbis; rains, my imams! Nature is my only true and eternal religion.

We must always think about death, because death always thinks about us!