Quote by 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."

"Perseverance is the key to success."

"Don't give up on what you believe in."

"I've been through worse."

"You learn to live with the pain."