Quality over quantity.
Every breakthrough in science is a testament to human curiosity and ingenuity.
The central task of education is to implant a will and facility for learning; it should produce not learned but learning people. The truly human society is a learning society, where grandparents, parents, and children are students together.
The best time to plant a tree was 20 years ago; the second best time is now.
The only thing I can do is write. Everything else bores me.