Quote by Chekov
"Ve must be grateful for vhat ve have, not bitter about vhat ve lack."
More from Chekov
"In Russia, ve have a saying: 'The best time to plant a tree vas twenty years ago. The second best time is now.'"
"Vhat is science vithout the courage to explore the unknown?"
"I have alvays found that friendship requires vork, but it is vork vorth doing."
"The human spirit is remarkably resilient - ve survive vhat ve must endure."