Doors to beautiful things do not remain open forever. Be fast to enter inside!
Avoid the man without compassion, because he ain't a man surely!
Sun gives light; torch gives light, candle gives light; smiling gives light.
Flexibility is one of the main roads leading to happiness.
No one can save you, no one but your very reason! Therefore, improve your reason!
If you haven't read Shakespeare's Hamlet yet, it means that you haven't reached the summit of the literature yet!